Bump docker/build-push-action from 6.5.0 to 6.6.1

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.5.0 to 6.6.1.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v6.5.0...v6.6.1)

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

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

.github/workflows/tests.yml

@@ -46,7 +46,7 @@ jobs:
 
       # Test container build for all supported platforms (defined above)
       - name: Test Build ${{ matrix.docker-platform }}
-        uses: docker/build-push-action@v6.5.0
+        uses: docker/build-push-action@v6.6.1
         with:
           context: .
           file: ./Dockerfile