update ubuntu workflow

Author: Li Wei

.github/workflows/ubuntu.yml

@@ -41,23 +41,23 @@ jobs:
           ${{ runner.os }}-
 
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2
       with:
         node-version: ${{ matrix.node-version }}
     - name: Install Dependencies
-      run: npm i
+      run: pnpm install
     - name: Check lint
-      run: npm run lint
+      run: pnpm run lint
     - name: Build the app
-      run: npm run electron:build
+      run: pnpm run electron:build
 
 #    - name: Run headless unit test
 #      uses: GabrielBB/xvfb-action@v1
 #      with:
-#        run: npm test
+#        run: pnpm test
 
 #    - name: Run headless e2e test
 #      uses: GabrielBB/xvfb-action@v1
 #      with:
-#        run: npm run e2e
+#        run: pnpm run e2e