Bump rubocop-performance from 1.21.1 to 1.22.0 (#689)

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
...

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

Gemfile.lock

@@ -313,7 +313,7 @@ GEM
       unicode-display_width (>= 2.4.0, < 3.0)
     rubocop-ast (1.32.3)
       parser (>= 3.3.1.0)
-    rubocop-performance (1.21.1)
+    rubocop-performance (1.22.0)
       rubocop (>= 1.48.1, < 2.0)
       rubocop-ast (>= 1.31.1, < 2.0)
     rubocop-rails (2.26.1)
@@ -337,7 +337,7 @@ GEM
     timeout (0.4.1)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (2.5.0)
+    unicode-display_width (2.6.0)
     useragent (0.16.10)
     vault (0.18.2)
       aws-sigv4