update node version

Author: andrenarchy

.github/workflows/test.yaml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: ['14', '15']
+        node: ['16', '14']
     name: 'Build and test on node ${{ matrix.node }}'
     steps:
       - uses: actions/checkout@v2