👷 Upgrade to gh-pages-v3

.github/workflows/gh-pages.yml

@@ -7,24 +7,29 @@ on:
 
 jobs:
   build-deploy:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
+        with:
+          submodules: true
+          fetch-depth: 0
 
       - name: Setup Hugo
         uses: peaceiris/actions-hugo@v2
         with:
           hugo-version: "latest"
-          extended: true
 
       - name: Build
         working-directory: ./exampleSite
         run: hugo --minify --themesDir ../.. --baseURL https://jpanther.github.io/Congo/
 
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v2
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          PUBLISH_BRANCH: gh-pages
-          PUBLISH_DIR: ./exampleSite/public
+        uses: peaceiris/actions-gh-pages@v3
+        if: ${{ github.ref == 'refs/heads/stable' }}
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_branch: gh-pages
+          publish_dir: ./exampleSite/public