Merge pull request #150 from asdf-community/renovate/actions-checkout-3.x

Author: smorimoto

.github/workflows/workflow.yml

@@ -65,7 +65,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Install shfmt
         run: brew install shfmt