Update docker-github.yml

.github/workflows/docker-github.yml

@@ -27,7 +27,6 @@ jobs:
           echo ::set-output name=name::${DOCKER_REPO}
 
       - name: Build and push Docker images
-        if: github.event_name == 'pull_request'
         uses: docker/build-push-action@v1.1.0
         with:
             username: ${{ github.actor }}
@@ -35,4 +34,4 @@ jobs:
             registry: docker.pkg.github.com
             repository: ${{ steps.repo.outputs.name }}
             tag_with_ref: true 
-            add_git_labels: true
+            add_git_labels: true