Update docker/build-push-action action to v7

Author: renovate[bot]

.github/workflows/build.yml

@@ -71,7 +71,7 @@ jobs:
 
       - name: Build and push
         id: build
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           tags: ghcr.io/robojackets/loop:latest
           network: host