Merge pull request #32 from kei711/renovate/actions-checkout-3.x

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

Author: kei711

.github/workflows/main.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Log in to the Container registry
         uses: docker/login-action@f6d32ad0236599ffe0bb261e71184c3e4e1d47cd