Bump rubocop-performance from 1.21.1 to 1.22.0 (#494)

Bumps [rubocop-performance](https://github.com/rubocop/rubocop-performance) from 1.21.1 to 1.22.0.
- [Release notes](https://github.com/rubocop/rubocop-performance/releases)
- [Changelog](https://github.com/rubocop/rubocop-performance/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-performance@v1.21.1...v1.22.0)

---
updated-dependencies:
- dependency-name: rubocop-performance
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -55,7 +55,7 @@ GEM
       parser (>= 3.3.1.0)
     rubocop-packaging (0.5.2)
       rubocop (>= 1.33, < 2.0)
-    rubocop-performance (1.21.1)
+    rubocop-performance (1.22.0)
       rubocop (>= 1.48.1, < 2.0)
       rubocop-ast (>= 1.31.1, < 2.0)
     rubocop-rake (0.6.0)