ci: use actions/deploy-pages

.github/workflows/javadoc.yml

@@ -5,28 +5,43 @@ on:
     branches:
       - master
 
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
-    permissions:
-      contents: write
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
+        with:
+          java-version: '8'
+          cache: 'gradle'
+      - name: Generate Javadoc
+        run: ./gradlew javadocUpdate
+      - name: Setup Pages
+        uses: actions/configure-pages@v3
+      - name: Build with Jekyll
+        uses: actions/jekyll-build-pages@v1
+        with:
+          source: ./docs
+          destination: ./_site
+      - name: Upload artifact
+          uses: actions/upload-pages-artifact@v2
 
+  deploy:
+    permissions:
+      contents: read
+      pages: write
+      id-token: write
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
     steps:
-    - uses: actions/checkout@v2
-    - name: Cache gradle files
-      uses: actions/cache@v1
-      env:
-        cache-name: cache-gradle-files-for-javadoc
-      with:
-        path: ~/.gradle/caches
-        key: gradle-${{ env.cache-name }}-${{ hashFiles('build.gradle') }}
-    - name: Generate Javadoc
-      run: ./gradlew javadocUpdate
-    - name: Deploy
-      uses: peaceiris/actions-gh-pages@v3
-      with:
-        github_token: ${{ secrets.GITHUB_TOKEN }}
-        publish_dir: ./docs
-        enable_jekyll: true
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2