Bump rubocop-performance from 1.18.0 to 1.19.0

Bumps [rubocop-performance](https://github.com/rubocop/rubocop-performance) from 1.18.0 to 1.19.0.
- [Release notes](https://github.com/rubocop/rubocop-performance/releases)
- [Changelog](https://github.com/rubocop/rubocop-performance/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-performance@v1.18.0...v1.19.0)

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

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

gems.locked

@@ -76,7 +76,7 @@ GEM
     rainbow (3.1.1)
     rake (13.0.6)
     regexp_parser (2.8.1)
-    rexml (3.2.5)
+    rexml (3.2.6)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -109,7 +109,7 @@ GEM
       rubocop (~> 1.41)
     rubocop-factory_bot (2.23.1)
       rubocop (~> 1.33)
-    rubocop-performance (1.18.0)
+    rubocop-performance (1.19.0)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
     rubocop-rake (0.6.0)