tweak action

Author: dbpolito

.github/workflows/docker.yml

@@ -41,7 +41,7 @@ jobs:
         docker run kooldev/wordpress:${{ matrix.version }}-nginx-prod php /usr/src/wordpress/index.php
 
     - name: Push to Hub
-      if: github.event_name == 'push' && github.ref == 'refs/heads/master'
+      if: github.ref == 'refs/heads/master' && github.repository == 'kool-dev/docker-wordpress'
       env:
         DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
         DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}