Bump the dependencies group with 2 updates (#3099)

Bumps the dependencies group with 2 updates: [actions/checkout](https://github.com/actions/checkout) and [tibdex/github-app-token](https://github.com/tibdex/github-app-token).


Updates `actions/checkout` from 3 to 4
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

Updates `tibdex/github-app-token` from 1 to 2
- [Release notes](https://github.com/tibdex/github-app-token/releases)
- [Commits](tibdex/github-app-token@v1...v2)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dependencies
- dependency-name: tibdex/github-app-token
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dependencies
...

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

.github/workflows/sponsors.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Generate Sponsors
         uses: JamesIves/github-sponsors-readme-action@v1
@@ -21,7 +21,7 @@ jobs:
 
       - name: Get token
         id: get-token
-        uses: tibdex/github-app-token@v1
+        uses: tibdex/github-app-token@v2
         with:
           app_id: ${{ vars.PENNY_APP_ID }}
           private_key: ${{ secrets.PENNY_APP_PRIVATE_KEY }}