ci(node-ci.yml): Extract event name using different var.

Author: binh-dam-ibigroup

.github/workflows/node-ci.yml

@@ -10,7 +10,7 @@ jobs:
   test-build-release:
     env:
       GIT_BRANCH_NAME: ${{ github.ref }}
-      IS_PUSH: ${{ github.event.push }}
+      IS_PUSH: ${{ github.event_name }}
       IS_PUSH_TO_MASTER: ${{ github.event.push && github.ref == 'refs/heads/master' }}
 
     runs-on: ubuntu-latest