Fix #12547 : Added comment with suggestion to bring Rubocop up to the…

… latest version in case of 'Infinite loop detected' error.

lib/rubocop/runner.rb

@@ -20,6 +20,9 @@ def initialize(path, offenses_by_iteration, loop_start: -1)
         message = 'Infinite loop detected'
         message += " in #{path}" if path
         message += " and caused by #{root_cause}" if root_cause
+        message += ' \n\nPlease update to the latest RuboCop version if not already in use,'
+        message += ' \nand report a bug if the issue still occurs on this version.'
+        message += ' \n\nPlease check the latest version at "https://rubygems.org/gems/rubocop"'
         super(message)
       end
     end