Bump docker/build-push-action from 6.5.0 to 6.9.0

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.5.0 to 6.9.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v6.5.0...v6.9.0)

---
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/deploy-docker.yml

@@ -38,7 +38,7 @@ jobs:
 
       - name: Build and push AMD64, ARM64, ARMv7
         id: docker_build
-        uses: docker/build-push-action@v6.5.0
+        uses: docker/build-push-action@v6.9.0
         with:
           context: .
           push: true