Bump rubocop-performance from 1.9.0 to 1.9.1 (#11668)

* Bump rubocop-performance from 1.9.0 to 1.9.1

Bumps [rubocop-performance](https://github.com/rubocop-hq/rubocop-performance) from 1.9.0 to 1.9.1.
- [Release notes](https://github.com/rubocop-hq/rubocop-performance/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop-performance/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop-hq/rubocop-performance/compare/v1.9.0...v1.9.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

* Bump rubocop-performance from 1.9.0 to 1.9.1 (Update vendor/cache)

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Gemfile.lock

@@ -660,9 +660,9 @@ GEM
       rubocop-ast (>= 0.6.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 2.0)
-    rubocop-ast (1.1.1)
+    rubocop-ast (1.2.0)
       parser (>= 2.7.1.5)
-    rubocop-performance (1.9.0)
+    rubocop-performance (1.9.1)
       rubocop (>= 0.90.0, < 2.0)
       rubocop-ast (>= 0.4.0)
     rubocop-rails (2.8.1)