chore(deps): 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/pr-validate.yml

@@ -47,7 +47,7 @@ jobs:
               - 'Justfile'
               - 'Dockerfile'
               - '.github/workflows/**'
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         id: docs-only
         with:
           script: |