Bump actions/github-script from 7 to 8 (#4216)

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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/progress-tracker.yml

@@ -20,7 +20,7 @@ jobs:
     if: github.repository == 'HTTPArchive/almanac.httparchive.org'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         if: github.event_name == 'workflow_dispatch' || contains(github.event.issue.labels.*.name, env.FILTER_LABEL)
         with:
           # yamllint disable rule:line-length

.github/workflows/test-template-changes.yml

@@ -39,7 +39,7 @@ jobs:
     - name: Test Template Changes
       run: ./src/tools/scripts/test_template_changes.sh
     - name: 'Comment PR'
-      uses: actions/github-script@v7
+      uses: actions/github-script@v8
       if: github.event_name == 'pull_request' && env.PR_COMMENT != ''
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}