chore(deps): update actions/github-script action to v8 (#4200)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/publish-site.yml

@@ -105,7 +105,7 @@ jobs:
           echo "docs_url=${docs_url}" >> $GITHUB_OUTPUT
           echo "Deployed to: ${docs_url}"
       - name: Post Previews Comment
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const { buildPreviewURLComment } = await import('${{ github.workspace }}/.github/scripts/build-preview-urls-comment.js');