Bump rubocop-performance from 1.21.0 to 1.21.1 (#1238)

Bumps [rubocop-performance](https://github.com/rubocop/rubocop-performance) from 1.21.0 to 1.21.1.
- [Release notes](https://github.com/rubocop/rubocop-performance/releases)
- [Changelog](https://github.com/rubocop/rubocop-performance/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-performance@v1.21.0...v1.21.1)

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

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

Gemfile.lock

@@ -370,7 +370,7 @@ GEM
     os (1.1.4)
     pagy (8.4.4)
     parallel (1.25.1)
-    parser (3.3.2.0)
+    parser (3.3.3.0)
       ast (~> 2.4.1)
       racc
     pg (1.5.6)
@@ -468,8 +468,8 @@ GEM
       actionpack (>= 5.2)
       railties (>= 5.2)
     retriable (3.1.2)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.1)
+      strscan
     rouge (4.2.0)
     rspec-core (3.13.0)
       rspec-support (~> 3.13.0)
@@ -511,7 +511,7 @@ GEM
       rubocop-rails (= 2.25.0)
       rubocop-rake (= 0.6.0)
       rubocop-rspec (= 2.30.0)
-    rubocop-performance (1.21.0)
+    rubocop-performance (1.21.1)
       rubocop (>= 1.48.1, < 2.0)
       rubocop-ast (>= 1.31.1, < 2.0)
     rubocop-rails (2.25.0)