Bump the actions group with 3 updates

Bumps the actions group with 3 updates: [actions/checkout](https://github.com/actions/checkout), [actions/download-artifact](https://github.com/actions/download-artifact) and [actions/create-github-app-token](https://github.com/actions/create-github-app-token).


Updates `actions/checkout` from 4 to 5
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v4...v5)

Updates `actions/download-artifact` from 4 to 5
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/v4...v5)

Updates `actions/create-github-app-token` from 2.0.6 to 2.1.1
- [Release notes](https://github.com/actions/create-github-app-token/releases)
- [Commits](https://github.com/actions/create-github-app-token/compare/v2.0.6...v2.1.1)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/download-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/create-github-app-token
  dependency-version: 2.1.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

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

.github/workflows/rebuild.yml

@@ -16,7 +16,7 @@ jobs:
       pull-requests: write # needed to comment on the PR
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
           ref: ${{ github.event.pull_request.head.ref || github.event.ref }}