Update docker/build-push-action digest to 53b7df9

Author: renovate[bot]

.github/workflows/publish-docker.yml

@@ -95,7 +95,7 @@ jobs:
 
       - name: Build and push
         id: build
-        uses: docker/build-push-action@f9f3042f7e2789586610d6e8b85c8f03e5195baf # v7
+        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7
         with:
           context: .
           push: true