Update github ci action node-version

Author: binarymist

.github/workflows/node.js.yml

@@ -28,7 +28,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x, 15.x]
+        node-version: [14.x, 16.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps: