build: Upgraded to checkout action v3

Author: Julien Ruaux

.github/workflows/early-access.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-18.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0