use actions/checkout@v3

Author: nabeta

.github/workflows/rubyonrails.yml

@@ -26,7 +26,7 @@ jobs:
       ENJU_LEAF_TIMEZONE: UTC
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       # Add or replace dependency steps here
       - name: Install Ruby and gems
         uses: ruby/setup-ruby@v1