more node versions for github actions

Author: Ryan Munro

.github/workflows/nodejs.yml

@@ -16,8 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [10.x, 12.x]
-
+        node-version: [4.x, 5.x, 6.x, 7.x, 8.x, 9.x, 10.x, 11.x, 12.x, 13.x, 14.x]
     steps:
     - uses: actions/checkout@v2
     - name: Use Node.js ${{ matrix.node-version }}