chore(github actions): remove node 12 from GH Action

Author: bhough

.github/workflows/main.yml

@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [12.x, 14.x, 16.x, 17.x]
+        node-version: [14.x, 16.x, 17.x]
 
     runs-on: ubuntu-latest