test: use node.js version to 22

.github/workflows/app-test.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node_version: ['18', '20']
+        node_version: ['18', '20', '22']
         os: [windows-latest, macos-latest, ubuntu-latest]
 
     steps:

.github/workflows/documents.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '20'
+          node-version: '22'
 
       # copy and replace string index.md file
 #      - name: Copy and replace string index.md file