Bump rubocop-performance from 1.20.2 to 1.21.0

Bumps [rubocop-performance](https://github.com/rubocop/rubocop-performance) from 1.20.2 to 1.21.0.
- [Release notes](https://github.com/rubocop/rubocop-performance/releases)
- [Changelog](https://github.com/rubocop/rubocop-performance/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-performance@v1.20.2...v1.21.0)

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

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

Gemfile

@@ -17,7 +17,7 @@ gem "rspec", "~> 3.13"
 
 # Rubocop and its extensions are for linting and enforcing best practices
 gem "rubocop", "~> 1.62"
-gem "rubocop-performance", "~> 1.20"
+gem "rubocop-performance", "~> 1.21"
 gem "rubocop-rake", "~> 0.6.0"
 gem "rubocop-rspec", "~> 2.27"
 gem "rubocop-thread_safety", "~> 0.5.1"

Gemfile.lock

@@ -51,9 +51,9 @@ GEM
       rubocop (~> 1.41)
     rubocop-factory_bot (2.25.1)
       rubocop (~> 1.41)
-    rubocop-performance (1.20.2)
+    rubocop-performance (1.21.0)
       rubocop (>= 1.48.1, < 2.0)
-      rubocop-ast (>= 1.30.0, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
     rubocop-rspec (2.27.1)
@@ -75,7 +75,7 @@ DEPENDENCIES
   rake (~> 13.1)
   rspec (~> 3.13)
   rubocop (~> 1.62)
-  rubocop-performance (~> 1.20)
+  rubocop-performance (~> 1.21)
   rubocop-rake (~> 0.6.0)
   rubocop-rspec (~> 2.27)
   rubocop-thread_safety (~> 0.5.1)