Fix whitespace in IssueBuilder/MergeRequestBuilder

lib/gitlab/hook_data/issue_builder.rb

@@ -48,7 +48,7 @@ module Gitlab
         }
 
         issue.attributes.with_indifferent_access.slice(*self.class.safe_hook_attributes)
-            .merge!(attrs)
+          .merge!(attrs)
       end
     end
   end

lib/gitlab/hook_data/merge_request_builder.rb

@@ -55,7 +55,7 @@ module Gitlab
         }
 
         merge_request.attributes.with_indifferent_access.slice(*self.class.safe_hook_attributes)
-            .merge!(attrs)
+          .merge!(attrs)
       end
     end
   end