chore(ci): bump actions/github-script from 7 to 8

Bumps [actions/github-script](https://github.com/actions/github-script) from 7 to 8.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v7...v8)

---
updated-dependencies:
- dependency-name: actions/github-script
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/dependabot-auto-merge.yml

@@ -32,7 +32,7 @@ jobs:
 
       - name: Comment on major updates
         if: steps.metadata.outputs.update-type == 'version-update:semver-major'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             github.rest.issues.createComment({
@@ -53,7 +53,7 @@ jobs:
             })
 
       - name: Label based on update type
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const updateType = '${{ steps.metadata.outputs.update-type }}';

.github/workflows/scheduled-checks.yml

@@ -38,7 +38,7 @@ jobs:
 
       - name: Create issue if URLs are broken
         if: failure()
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const title = '🔗 Broken URLs detected in manifests';