Code isn't 12.x+ compliant, don't test for it

Author: devinmatte

.github/workflows/node-js.yml

@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [10.x, 12.x, 14.x]
+        node-version: [8.x, 10.x]
 
     steps:
       - uses: actions/checkout@v2