fix(deps): update docker/build-push-action action to v6.18.0

Author: renovate[bot]

.github/workflows/build.yaml

@@ -70,7 +70,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push master Docker image
-        uses: docker/build-push-action@v6.14.0
+        uses: docker/build-push-action@v6.18.0
         with:
           context: .
           push: ${{ github.event_name == 'push' && (startsWith(github.ref, 'refs/tags') || github.ref == 'refs/heads/main') }}