build: upping node build version to 14

Author: dvoegelin

.github/workflows/main.yaml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [12.x]
+        node-version: [14.x]
 
     steps:
       - uses: actions/checkout@v1