Update generated workflow source

Author: henrymercer

pr-checks/checks/rubocop-multi-language.yml

@@ -5,7 +5,7 @@ operatingSystems: ["ubuntu"]
 versions: ["default"]
 steps:
   - name: Set up Ruby
-    uses: ruby/setup-ruby@d781c1b4ed31764801bfae177617bb0446f5ef8d # v1.218.0
+    uses: ruby/setup-ruby@32110d4e311bd8996b2a82bf2a43b714ccc91777 # v1.221.0
     with:
       ruby-version: 2.6
   - name: Install Code Scanning integration