rubocop-performance.yml in gitlab-styles-6.2.0 vs rubocop-performance.yml in gitlab-styles-6.2.1

@@ -1,5 +1,8 @@
 ---
+require:
+  - rubocop-performance
+
 # Used to identify usages of ancestors.include? and change them to use ⇐ instead.
 # https://docs.rubocop.org/rubocop-performance/1.8/cops_performance.html#performanceancestorsinclude
 Performance/AncestorsInclude:
   Enabled: true