ci: update workflow

Author: jooyoungseo

Diff for: .github/workflows/generate-docs.yml

@@ -8,6 +8,10 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pages: write
+      id-token: write
 
     steps:
       - name: Checkout repository
@@ -22,14 +26,25 @@ jobs:
         run: npm install -g @redocly/cli
 
       - name: Generate HTML from OpenAPI JSON
-        run: redocly build-docs ./api/latest.json -o ./docs/index.html
+        run: |
+          redocly build-docs ./api/latest.json -o ./docs/index.html
+          touch ./docs/.nojekyll
 
       - name: Upload HTML Artifacts
         uses: actions/upload-pages-artifact@v1
         with:
           path: ./docs
 
+  deploy:
+    runs-on: ubuntu-latest
+    needs: build
+    permissions:
+      contents: read
+      pages: write
+      id-token: write
+
+    steps:
       - name: Deploy to GitHub Pages
         uses: actions/deploy-pages@v1
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
+          github_token: ${{ secrets.GITHUB_TOKEN }}