Upgrade node to v16

.github/workflows/action.yml

@@ -6,5 +6,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
-    - name: Run NPM tests
-      uses: anna-money/github-actions-npm@v2
+    - uses: actions/setup-node@v2
+      with:
+        node-version: '16'
+    - run: npm install
+    - run: npm test