ci: update Github Actions to use step outputs

.github/workflows/deploy_versioned_docs.yaml

@@ -35,9 +35,10 @@ jobs:
           ref: ${{ github.event.release.tag_name }}
 
       - name: Get Version from Release Tag
-        run: echo "VERSION=${GITHUB_EVENT_RELEASE_TAG_NAME}" >> $GITHUB_ENV
+        id: get_version
         env:
-          GITHUB_EVENT_RELEASE_TAG_NAME: ${{ github.event.release.tag_name }}
+          RELEASE_TAG: ${{ github.event.release.tag_name }}
+        run: echo "VERSION=${RELEASE_TAG}" >> "$GITHUB_OUTPUT"
 
       - name: Setup Hugo
         uses: peaceiris/actions-hugo@75d2e84710de30f6ff7268e08f310b60ef14033f # v3
@@ -58,7 +59,7 @@ jobs:
         run: hugo --minify
         working-directory: .hugo
         env:
-          HUGO_BASEURL: https://${{ github.repository_owner }}.github.io/${{ github.event.repository.name }}/${{ env.VERSION }}/
+          HUGO_BASEURL: https://${{ github.repository_owner }}.github.io/${{ github.event.repository.name }}/${{ steps.get_version.outputs.VERSION }}/
           HUGO_RELATIVEURLS: false
 
       - name: Deploy
@@ -67,9 +68,9 @@ jobs:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: .hugo/public
           publish_branch: versioned-gh-pages
-          destination_dir: ./${{ env.VERSION }}
+          destination_dir: ./${{ steps.get_version.outputs.VERSION }}
           keep_files: true
-          commit_message: "deploy: docs for ${{ env.VERSION }}"
+          commit_message: "deploy: docs for ${{ steps.get_version.outputs.VERSION }}"
 
       - name: Clean Build Directory
         run: rm -rf .hugo/public
@@ -89,4 +90,4 @@ jobs:
           publish_branch: versioned-gh-pages
           keep_files: true
           allow_empty_commit: true
-          commit_message: "deploy: docs to root for ${{ env.VERSION }}"
+          commit_message: "deploy: docs to root for ${{ steps.get_version.outputs.VERSION }}"

.github/workflows/link_checker.yaml

@@ -20,7 +20,6 @@ permissions:
   pull-requests: write
   issues: write
 
-
 jobs:
   link-check:
     runs-on: ubuntu-latest
@@ -29,6 +28,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           fetch-depth: 0
+
       - name: Identify Changed Files
         id: changed-files
         shell: bash
@@ -38,25 +38,23 @@ jobs:
 
           if [ -z "$CHANGED_FILES" ]; then
             echo "No markdown files changed. Skipping checks."
-            echo "HAS_CHANGES=false" >> $GITHUB_ENV
+            echo "HAS_CHANGES=false" >> "$GITHUB_OUTPUT"
           else
             echo "--- Changed Files to Scan ---"
             echo "$CHANGED_FILES"
             echo "-----------------------------"
 
-            # FIX: Wrap filenames in quotes to handle spaces
             FILES_QUOTED=$(echo "$CHANGED_FILES" | sed 's/^/"/;s/$/"/' | tr '\n' ' ')
 
-            # Write to env using EOF pattern
-            echo "CHECK_FILES<<EOF" >> $GITHUB_ENV
-            echo "$FILES_QUOTED" >> $GITHUB_ENV
-            echo "EOF" >> $GITHUB_ENV
-            echo "HAS_CHANGES=true" >> $GITHUB_ENV
+            # Use EOF to write multiline or long strings to GITHUB_OUTPUT
+            echo "HAS_CHANGES=true" >> "$GITHUB_OUTPUT"
+            echo "CHECK_FILES<<EOF" >> "$GITHUB_OUTPUT"
+            echo "$FILES_QUOTED" >> "$GITHUB_OUTPUT"
+            echo "EOF" >> "$GITHUB_OUTPUT"
           fi
 
-
       - name: Restore lychee cache
-        if: env.HAS_CHANGES == 'true'
+        if: steps.changed-files.outputs.HAS_CHANGES == 'true'
         uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5
         with:
           path: .lycheecache
@@ -65,7 +63,7 @@ jobs:
 
       - name: Link Checker
         id: lychee-check       
-        if: env.HAS_CHANGES == 'true'
+        if: steps.changed-files.outputs.HAS_CHANGES == 'true'
         uses: lycheeverse/lychee-action@a8c4c7cb88f0c7386610c35eb25108e448569cb0 # v2
         continue-on-error: true 
         with:
@@ -75,14 +73,15 @@ jobs:
             --cache
             --max-cache-age 1d
             --exclude '^neo4j\+.*' --exclude '^bolt://.*'
-            ${{ env.CHECK_FILES }}
+            ${{ steps.changed-files.outputs.CHECK_FILES }}
           output: lychee-report.md
           format: markdown
           fail: true           
           jobSummary: false    
           debug: false
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Find comment
         uses: peter-evans/find-comment@b30e6a3c0ed37e7c023ccd3f1db5c6c0b0c23aad # v4
         id: find-comment
@@ -103,18 +102,16 @@ jobs:
           STEPS_FIND_COMMENT_OUTPUTS_COMMENT_ID: ${{ steps.find-comment.outputs.comment-id }}
 
       - name: Prepare Report 
-        if: env.HAS_CHANGES == 'true' && steps.lychee-check.outcome == 'failure'
+        if: steps.changed-files.outputs.HAS_CHANGES == 'true' && steps.lychee-check.outcome == 'failure'
         run: |
           echo "## Link Resolution Note" > full-report.md
-
-
-          echo "Local links and directory changes work differently on GitHub than on the docsite.You must ensure fixes pass the **GitHub check** and also work with **\`hugo server\`**." >> full-report.md
+          echo "Local links and directory changes work differently on GitHub than on the docsite. You must ensure fixes pass the **GitHub check** and also work with **\`hugo server\`**." >> full-report.md
           echo "See [Link Checking and Fixing with Lychee](https://github.com/googleapis/genai-toolbox/blob/main/DEVELOPER.md#link-checking-and-fixing-with-lychee) for more details." >> full-report.md          
           echo "" >> full-report.md 
           sed -E '/(Redirect|Redirects per input)/d' lychee-report.md >> full-report.md
 
       - name: Create PR Comment
-        if: env.HAS_CHANGES == 'true' && steps.lychee-check.outcome == 'failure'
+        if: steps.changed-files.outputs.HAS_CHANGES == 'true' && steps.lychee-check.outcome == 'failure'
         uses: peter-evans/create-or-update-comment@e8674b075228eee787fea43ef493e45ece1004c9 # v5
         with:
           comment-id: ${{ steps.find-comment.outputs.comment-id }}