chore: Move to node version 14.x

Author: szuperaz

.github/workflows/workflow.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [14.x]
 
     steps:
       - uses: actions/checkout@v2