Update nodejs.yml

Author: jackton1

.github/workflows/nodejs.yml

@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [10.x, 12.x]
+        node-version: [6.x, 8.x, 9.x, 10.x, 11.x, 12.x, 13.x, 14.x]
 
     steps:
     - uses: actions/checkout@v2