Docs: Update Node version in CI examples

docs/_snippets/chromatic-github-action.md

@@ -12,12 +12,12 @@ jobs:
     runs-on: ubuntu-latest
     # Job steps
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
-          node-version: 20
+          node-version: 24
           cache: 'yarn'
       - run: yarn
       #👇 Adds Chromatic as a step in the workflow

docs/_snippets/ghp-github-action.md

@@ -19,13 +19,13 @@ jobs:
       url: ${{ steps.deploy.outputs.page_url }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Setup Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
-          node-version: '20'
+          node-version: '24'
           cache: 'npm' # Adjust caching strategy and configuration if using other package managers
       - name: Install dependencies
         run: npm ci # Replace with appropriate command if using other package managers