ci: use node 16

Author: snitin315

.github/workflows/nodejs.yml

@@ -58,7 +58,7 @@ jobs:
         node-version: [12.x, 14.x, 16.x, 17.x]
         webpack-version: [latest]
         include:
-          - node-version: 14.x
+          - node-version: 16.x
             os: ubuntu-latest
             webpack-version: 4