Update angular.yml

.github/workflows/angular.yml

@@ -17,20 +17,20 @@ jobs:
     runs-on: ubuntu-18.04
     steps:
       - uses: actions/checkout@v1
-      - uses: borales/actions-yarn@v2.0.0
+      - uses: actions/setup-node@v1
         with:
           node-version: '10.x'
       - run: |
           node -v
-          yarn
-          yarn global add symlink
+          npm install
+          npm install -g symlink
         working-directory: npm/ng-packs
   build:
     needs: [install]
     runs-on: ubuntu-18.04
     steps:
       - uses: actions/checkout@v1
-      - uses: borales/actions-yarn@v2.0.0
+      - uses: actions/setup-node@v1
         with:
           node-version: '10.x'
       - run: |