Set required version for redmine 6 stable #12953

Author: alexandermeindl

init.rb

@@ -9,7 +9,7 @@
   author_url 'https://alphanodes.com/'
   description 'Customize shown columns in subtasks and related issues on issue page'
   version RedmineIssueViewColumns::VERSION
-  requires_redmine version_or_higher: '5.1' # redmine 6.0 is required, but version is not set in redmine source yet
+  requires_redmine version_or_higher: '6.0'
 
   begin
     requires_redmine_plugin :additionals, version_or_higher: '4.0.0'