API-2239 add node 12 for tests, github action

Author: ahongbynder

.github/workflows/run-tests.yml

@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [ 8.x, 10.x, 11.x ]
+        node-version: [ 8.x, 10.x, 11.x, 12.x]
 
     steps:
       - uses: actions/checkout@v4