Merge pull request #26 from f-koehler/renovate/docker-build-push-action-6.x

Update docker/build-push-action action to v6.18.0

Author: f-koehler

.github/workflows/docker.yml

@@ -62,7 +62,7 @@ jobs:
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@v6.17.0
+        uses: docker/build-push-action@v6.18.0
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}