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

Author: renovate[bot]

.github/workflows/docker-check.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Build
-        uses: docker/build-push-action@v6.7.0
+        uses: docker/build-push-action@v6.18.0
         with:
           context: .
           file: ./Dockerfile