Update docker/build-push-action action to v7 (#478)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/docker-image.yml

@@ -36,7 +36,7 @@ jobs:
             type=ref,event=pr
 
       - name: Upload Docker image
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: .
           provenance: mode=max