build(deps): bump the gha group with 2 updates (#1080)

Bumps the gha group with 2 updates: [docker/metadata-action](https://github.com/docker/metadata-action) and [akhileshns/heroku-deploy](https://github.com/akhileshns/heroku-deploy).


Updates `docker/metadata-action` from 5.4.0 to 5.5.1
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](docker/metadata-action@v5.4.0...v5.5.1)

Updates `akhileshns/heroku-deploy` from 3.12.14 to 3.13.15
- [Release notes](https://github.com/akhileshns/heroku-deploy/releases)
- [Commits](AkhileshNS/heroku-deploy@v3.12.14...v3.13.15)

---
updated-dependencies:
- dependency-name: docker/metadata-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gha
- dependency-name: akhileshns/heroku-deploy
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gha
...

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

.github/workflows/release.yaml

@@ -21,7 +21,7 @@ jobs:
       -
         name: Docker meta
         id: docker_meta
-        uses: docker/metadata-action@v5.4.0
+        uses: docker/metadata-action@v5.5.1
         with:
           images: |
             ghcr.io/tus/tusd
@@ -105,7 +105,7 @@ jobs:
 
       -
         name: Deploy to heroku
-        uses: akhileshns/heroku-deploy@v3.12.14
+        uses: akhileshns/heroku-deploy@v3.13.15
         with:
           heroku_api_key: ${{secrets.HEROKU_API_KEY}}
           heroku_app_name: ${{secrets.HEROKU_APP_NAME}}