Try v7 of checkout

Author: dsandstrom

.github/workflows/rubocop-analysis.yml

@@ -10,7 +10,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v7
 
     # If running on a self-hosted runner, check it meets the requirements
     # listed at https://github.com/ruby/setup-ruby#using-self-hosted-runners