Bump docker/build-push-action from 5 to 6

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 5 to 6.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v5...v6)

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

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

.github/workflows/build-latest.yaml

@@ -32,7 +32,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
       - name: Build image for testing activeqm
         id: docker_build_testing_image_activeqm
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: ./clustering/activemq-docker/
           file: ./clustering/activemq-docker/Dockerfile
@@ -74,7 +74,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
       - name: Build image for production
         id: docker_build_production_image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: Dockerfile
@@ -98,7 +98,7 @@ jobs:
           path: /tmp/geoserver_production.tar
       - name: Build image for testing
         id: docker_build_testing_image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: Dockerfile

.github/workflows/deploy-image.yaml

@@ -53,7 +53,7 @@ jobs:
         run: echo "formatted=$(date -u +%Y.%m.%d)" >> $GITHUB_OUTPUT
       - name: Build prod image
         id: docker_build_prod
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           platforms: linux/amd64,linux/arm64