chore(gh-workflows) use action/checkout v3 to remove nodeJS 12 warnings (#195)

Author: dduportal

.github/workflows/updatecli.yaml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: "Setup updatecli"
         uses: "updatecli/updatecli-action@v2.15.0"