fixing params in docker/build-push-action@v7.

Author: Felipe Almeida Baccaro

.github/workflows/docker-image.yml

@@ -12,7 +12,7 @@ jobs:
         version: [ 8.3,8.4, 8.5 ]
         sapi: [ cli, fpm ]
         env: [ dev,prod ]
-        variant: [alpine]
+        variant: [ alpine ]
     steps:
       - name: Login to Docker Hub
         uses: docker/login-action@v4