fixes for ci (#429)

Author: dotansimha

.github/workflows/main.yml

@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest]
-        node_version: [10, 14]
+        node_version: [12, 14, 16]
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -51,4 +51,3 @@ jobs:
         run: yarn test --logHeapUsage
         env:
           CI: true
-