ci: add nodejs v16 to test matrix (#179)

Author: Fdawgs

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [10.x, 12.x, 13.x, 14.x]
+        node-version: [10.x, 12.x, 13.x, 14.x, 16.x]
     steps:
       - name: Checkout
         uses: actions/checkout@v2.3.4
@@ -54,4 +54,4 @@ jobs:
       - uses: fastify/github-action-merge-dependabot@v1.2.1
         if: ${{ github.actor == 'dependabot[bot]' && github.event_name == 'pull_request' }}
         with:
-          github-token: ${{secrets.github_token}}
+          github-token: ${{secrets.github_token}}