Bump docker/build-push-action from 6 to 7 (#895)

Author: dependabot[bot]

.github/workflows/build.yml

@@ -87,7 +87,7 @@ jobs:
 
       - name: Build image
         id: build
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: .
           file: ./Dockerfile