Check vscode version in github action

Author: alanhamlett

.github/workflows/on_push.yml

@@ -12,7 +12,9 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Install dependencies
+      - name: Install latest vscode
         run: npm install
+      - name: Check vscode version
+        run: code --version
       - name: Unit tests
         run: npm run compile:dev