Merge pull request #2066 from kazukazuinaina/update_reviewdog_yml

[update] reviewdog.yml

.github/workflows/reviewdog.yml

@@ -1,13 +1,22 @@
 name: reviewdog
-on: [push, pull_request]
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
 jobs:
   vint:
     name: runner / vint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: vint
         uses: reviewdog/action-vint@v1
         with:
           github_token: ${{ secrets.github_token }}
-          reporter: github-pr-review
+          level: error
+          reporter: github-pr-check