diff --git a/.github/workflows/SDK-Suppressions-Label.yaml b/.github/workflows/SDK-Suppressions-Label.yaml
index 066fbe784eaf..758abfd4a01d 100644
--- a/.github/workflows/SDK-Suppressions-Label.yaml
+++ b/.github/workflows/SDK-Suppressions-Label.yaml
@@ -32,7 +32,7 @@ jobs:
         uses: ./.github/actions/setup-node-install-deps
 
       - name: Get GitHub PullRequest Context
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         id: fetch-pullRequest-context
         with:
           script: |
diff --git a/.github/workflows/_reusable-set-check-status.yaml b/.github/workflows/_reusable-set-check-status.yaml
index 4549692f7f1b..e4b31502b356 100644
--- a/.github/workflows/_reusable-set-check-status.yaml
+++ b/.github/workflows/_reusable-set-check-status.yaml
@@ -55,7 +55,7 @@ jobs:
             .github
 
       - name: "Set Status"
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         id: set-status
         with:
           script: |
diff --git a/.github/workflows/arm-auto-signoff-code.yaml b/.github/workflows/arm-auto-signoff-code.yaml
index 935a91a05745..f75bf2fbf2de 100644
--- a/.github/workflows/arm-auto-signoff-code.yaml
+++ b/.github/workflows/arm-auto-signoff-code.yaml
@@ -35,11 +35,11 @@ jobs:
           sparse-checkout: |
             .github
 
-      - name: Setup Node 20 and install deps
+      - name: Setup Node 24 and install deps
         uses: ./.github/actions/setup-node-install-deps
         with:
-          # actions/github-script@v7 uses Node 20
-          node-version: 20.x
+          # actions/github-script@v8 uses Node 24
+          node-version: 24.x
           # "--no-audit": improves performance
           # "--omit dev": not needed at runtime, improves performance
           install-command: "npm ci --no-audit --omit dev"
@@ -48,7 +48,7 @@ jobs:
       # Output is "true" if PR contains only incremental changes to an existing TypeSpec RP
       - id: incremental-typespec
         name: ARM Auto SignOff - Analyze Code
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           result-encoding: string
           script: |
diff --git a/.github/workflows/arm-auto-signoff-status.yaml b/.github/workflows/arm-auto-signoff-status.yaml
index 23482a9751cb..7554492b1790 100644
--- a/.github/workflows/arm-auto-signoff-status.yaml
+++ b/.github/workflows/arm-auto-signoff-status.yaml
@@ -74,7 +74,7 @@ jobs:
       # }
       - id: get-label-action
         name: ARM Auto SignOff - Set Status
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const { default: getLabelAction } =
diff --git a/.github/workflows/avocado-code.yaml b/.github/workflows/avocado-code.yaml
index 318d27b40378..ed5d0e920cb7 100644
--- a/.github/workflows/avocado-code.yaml
+++ b/.github/workflows/avocado-code.yaml
@@ -66,12 +66,12 @@ jobs:
           TRAVIS_REPO_SLUG: ${{ github.repository }}
           TRAVIS_PULL_REQUEST_SHA: ${{ github.sha }}
 
-      - name: Setup Node 20 and install deps (under .github)
+      - name: Setup Node 24 and install deps (under .github)
         if: ${{ always() && (steps.run-avocado.outputs.output-file) }}
         uses: ./.github/actions/setup-node-install-deps
         with:
-          # actions/github-script@v7 uses Node 20
-          node-version: 20.x
+          # actions/github-script@v8 uses Node 24
+          node-version: 24.x
           # "--no-audit": improves performance
           # "--omit dev": not needed at runtime, improves performance
           install-command: "npm ci --no-audit --omit dev"
@@ -80,7 +80,7 @@ jobs:
       - name: Generate job summary
         if: ${{ always() && (steps.run-avocado.outputs.output-file) }}
         id: generate-job-summary
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const { default: generateJobSummary } =
diff --git a/.github/workflows/breaking-change-add-label-artifacts.yaml b/.github/workflows/breaking-change-add-label-artifacts.yaml
index c2bb46e68e8c..0ece04a6ff52 100644
--- a/.github/workflows/breaking-change-add-label-artifacts.yaml
+++ b/.github/workflows/breaking-change-add-label-artifacts.yaml
@@ -38,7 +38,7 @@ jobs:
 
       - id: get-label-actions
         name: Get Label Actions
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const { default: getLabelActions } =
diff --git a/.github/workflows/github-test.yaml b/.github/workflows/github-test.yaml
index e2523e4d431a..363cb48aeee4 100644
--- a/.github/workflows/github-test.yaml
+++ b/.github/workflows/github-test.yaml
@@ -46,17 +46,19 @@ jobs:
           args: -color -verbose
 
       - if: ${{ matrix.folder == '.github' }}
-        name: Setup Node 20 and install runtime deps
+        name: Setup Node 24 and install runtime deps
         uses: ./.github/actions/setup-node-install-deps
         with:
-          # actions/github-script@v7 uses Node 20
-          node-version: 20.x
-          install-command: npm ci --omit dev
+          # actions/github-script@v8 uses Node 24
+          node-version: 24.x
+          # "--no-audit": improves performance
+          # "--omit dev": not needed at runtime, improves performance
+          install-command: "npm ci --no-audit --omit dev"
           working-directory: ./${{ matrix.folder }}
 
       - if: ${{ matrix.folder == '.github' }}
         name: Verify all modules are importable
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const { join } = await import("path");
@@ -68,8 +70,8 @@ jobs:
       - name: Install dev deps
         uses: ./.github/actions/setup-node-install-deps
         with:
-          # actions/github-script@v7 uses Node 20
-          node-version: 20.x
+          # actions/github-script@v8 uses Node 24
+          node-version: 24.x
           working-directory: ./${{ matrix.folder }}
 
       - run: npm run lint
diff --git a/.github/workflows/lintdiff-code.yaml b/.github/workflows/lintdiff-code.yaml
index 31da069de4ca..fa9331465cf0 100644
--- a/.github/workflows/lintdiff-code.yaml
+++ b/.github/workflows/lintdiff-code.yaml
@@ -42,7 +42,7 @@ jobs:
         uses: ./.github/actions/setup-node-install-deps
 
       - name: Get changed files
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const { getChangedFiles } = await import('${{ github.workspace }}/.github/shared/src/changed-files.js');
diff --git a/.github/workflows/sdk-breaking-change-labels.yaml b/.github/workflows/sdk-breaking-change-labels.yaml
index 82c10eb08d0d..f9dd5c061fc3 100644
--- a/.github/workflows/sdk-breaking-change-labels.yaml
+++ b/.github/workflows/sdk-breaking-change-labels.yaml
@@ -39,11 +39,11 @@ jobs:
           ADO_TOKEN=$(az account get-access-token --resource "499b84ac-1321-427f-aa17-267ca6975798" --query "accessToken" -o tsv)
           echo "ADO_TOKEN=$ADO_TOKEN" >> "$GITHUB_ENV"
 
-      - name: Setup Node 20 and install deps
+      - name: Setup Node 24 and install deps
         uses: ./.github/actions/setup-node-install-deps
         with:
-          # actions/github-script@v7 uses Node 20
-          node-version: 20.x
+          # actions/github-script@v8 uses Node 24
+          node-version: 24.x
           # "--no-audit": improves performance
           # "--omit dev": not needed at runtime, improves performance
           install-command: "npm ci --no-audit --omit dev"
@@ -51,7 +51,7 @@ jobs:
 
       - name: Get label and action
         id: get-label-and-action
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const { getLabelAndAction } =
diff --git a/.github/workflows/spec-gen-sdk-status.yml b/.github/workflows/spec-gen-sdk-status.yml
index 44266a919a14..8283755efb04 100644
--- a/.github/workflows/spec-gen-sdk-status.yml
+++ b/.github/workflows/spec-gen-sdk-status.yml
@@ -39,11 +39,11 @@ jobs:
           ADO_TOKEN=$(az account get-access-token --resource "499b84ac-1321-427f-aa17-267ca6975798" --query "accessToken" -o tsv)
           echo "ADO_TOKEN=$ADO_TOKEN" >> "$GITHUB_ENV"
 
-      - name: Setup Node 20 and install deps
+      - name: Setup Node 24 and install deps
         uses: ./.github/actions/setup-node-install-deps
         with:
-          # actions/github-script@v7 uses Node 20
-          node-version: 20.x
+          # actions/github-script@v8 uses Node 24
+          node-version: 24.x
           # "--no-audit": improves performance
           # "--omit dev": not needed at runtime, improves performance
           install-command: "npm ci --no-audit --omit dev"
@@ -51,7 +51,7 @@ jobs:
 
       - name: "SDK Validation Set Status"
         id: sdk-validation-status
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const setStatus =
diff --git a/.github/workflows/summarize-checks.yaml b/.github/workflows/summarize-checks.yaml
index 178fde9e12ce..eb71df0dc597 100644
--- a/.github/workflows/summarize-checks.yaml
+++ b/.github/workflows/summarize-checks.yaml
@@ -53,11 +53,11 @@ jobs:
           sparse-checkout: |
             .github
 
-      - name: Setup Node 20 and install deps
+      - name: Setup Node 24 and install deps
         uses: ./.github/actions/setup-node-install-deps
         with:
-          # actions/github-script@v7 uses Node 20
-          node-version: 20.x
+          # actions/github-script@v8 uses Node 24
+          node-version: 24.x
           # "--no-audit": improves performance
           # "--omit dev": not needed at runtime, improves performance
           install-command: "npm ci --no-audit --omit dev"
@@ -65,7 +65,7 @@ jobs:
 
       - id: dump-trigger-metadata
         name: Dump Trigger Metadata
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const { default: dumpTriggerMetadata } =
@@ -74,7 +74,7 @@ jobs:
 
       - id: summarize-checks
         name: Summarize Checks
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const { default: summarizeChecks } =
diff --git a/.github/workflows/update-labels.yaml b/.github/workflows/update-labels.yaml
index 3e5b940de36c..8f857221a4b0 100644
--- a/.github/workflows/update-labels.yaml
+++ b/.github/workflows/update-labels.yaml
@@ -35,7 +35,7 @@ jobs:
 
       - name: Update Labels
         id: update-labels
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const { default: updateLabels } =