Update Workflow to Node 16 LTS

Author: Josh Biddick

.github/workflows/main.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Setup NodeJS
         uses: actions/setup-node@v2.4.1
         with:
-          node-version: "14"
+          node-version: "16"
           registry-url: "https://registry.npmjs.org"
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}