chore(deps): bump actions/github-script from 7 to 8 (#9346)

Bumps [actions/github-script](https://github.com/actions/github-script) from 7 to 8.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](https://github.com/actions/github-script/compare/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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/assign_reviewers.yml

@@ -19,7 +19,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Assign requested reviewer
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             try {

.github/workflows/tag_module_cleanup.yml

@@ -15,7 +15,7 @@ jobs:
     # Add the type: cleanup label
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         with:
           script: |
             // Note that pull requests are considered issues and "shared"