Merge pull request #106 from openedx/renovate/actions-checkout-3.x

chore(deps): update actions/checkout action to v3

Author: jsnwesson

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
         node: [16]
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         fetch-depth: 0
     - name: Setup Nodejs