build(deps): bump docker/build-push-action from 4.1.1 to 5.1.0 (#51)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 4.1.1 to 5.1.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@2eb1c19...4a13e50)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Discussion: #51
Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/docker-ci.yml

@@ -104,7 +104,7 @@ jobs:
       # Build and push Docker image with Buildx (don't push on PR)
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
-        uses: docker/build-push-action@2eb1c1961a95fc15694676618e422e8ba1d63825
+        uses: docker/build-push-action@4a13e500e55cf31b7a5d59a38ab2040ab0f42f56
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}