Bump docker/build-push-action from 6.9.0 to 6.11.0 (#917)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.9.0 to 6.11.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v6.9.0...v6.11.0)

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

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

Author: dependabot[bot]

.github/workflows/registry.yaml

@@ -41,7 +41,7 @@ jobs:
             suffix=
 
       - name: 🐳 Build and push Docker image
-        uses: docker/build-push-action@v6.9.0
+        uses: docker/build-push-action@v6.11.0
         with:
           context: .
           push: true