gh action

.github/workflows/nodejs.yml

@@ -9,18 +9,17 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [12.x]
+        node-version: [20.x]
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2
       with:
         node-version: ${{ matrix.node-version }}
     - name: npm install, build, and test
       run: |
-        npm ci
-        npm run build --if-present
-        npm test
+        yarn install
+        yarn test
       env:
         CI: true