try and error nr3

.github/workflows/pages.yml

@@ -8,18 +8,12 @@ on:
 jobs:
   pages:
     runs-on: ubuntu-latest
-    permissions:
-      contents: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
+      - name: Use Node.js 12.x
+        uses: actions/setup-node@v1
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          # If your repository depends on submodule, please see: https://github.com/actions/checkout
-          submodules: recursive
-      - name: Use Node.js 16.x
-        uses: actions/setup-node@v2
-        with:
-          node-version: '16'
+          node-version: '12.x'
       - name: Cache NPM dependencies
         uses: actions/cache@v2
         with:
@@ -35,4 +29,5 @@ jobs:
         uses: peaceiris/actions-gh-pages@v3
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./public
+          publish_dir: ./public
+          publish_branch: master  # deploying branch