Merge pull request #33 from mrrfv/renovate/docker-build-push-action-6.x

Update docker/build-push-action action to v6

.github/workflows/docker-image.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: ./Dockerfile