Fix upon @prahal's 2104b7c commit about Ruby 3.x compat

The options hash passed to repository constructor is duplicated.

See lib/redmine_git_hosting/gitolite_handlers/repositories/base.rb#13

Thus, options should be updated by accessing the class' attribute
directly.

Author: dosyfier

lib/redmine_git_hosting/gitolite_handlers/repositories/add_repository.rb

@@ -32,8 +32,8 @@ def gitolite_repo_path
 
         def initialize(gitolite_config, repository, context, **options)
           super(gitolite_config, repository, context, **options)
-          @force     = options.delete(:force) { false }
-          @old_perms = options.delete(:old_perms) { {} }
+          @force     = @options.delete(:force) { false }
+          @old_perms = @options.delete(:old_perms) { {} }
         end
       end
     end