Apply suggestions from code review

Author: JounQin

.github/workflows/release-napi.yml

@@ -9,9 +9,6 @@ on:
       - main
     paths:
       - npm/package.json # Please only commit this file, so we don't need to wait for test CI to pass.
-  pull_request:
-    branches:
-      - main
 
 env:
   DEBUG: napi:*
@@ -45,7 +42,7 @@ jobs:
 
   build:
     needs: check
-    # if: needs.check.outputs.version_changed == 'true'
+    if: needs.check.outputs.version_changed == 'true'
     strategy:
       fail-fast: false
       matrix: