Changed node version on test workflow

Author: 0x41head

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
     - name: Use Node.js 12.8
       uses: actions/setup-node@v1
       with:
-        node-version: 12.8
+        node-version: 16.0
     - name: Install dependencies
       run: npm install
     - name: Test