fix: Gemfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-RUBY-REXML-7577227
- https://snyk.io/vuln/SNYK-RUBY-REXML-7814166
- https://snyk.io/vuln/SNYK-RUBY-REXML-7577228
- https://snyk.io/vuln/SNYK-RUBY-REXML-8309365
- https://snyk.io/vuln/SNYK-RUBY-REXML-6861566
- https://snyk.io/vuln/SNYK-RUBY-REXML-7462086

Author: snyk-bot

Gemfile

@@ -22,8 +22,8 @@ gem 'reek'
 gem 'rspec', '~> 3'
 gem 'rspec_junit_formatter'
 gem 'rubocop', '~> 1.59'
-gem 'rubocop-performance', '~> 1.20'
-gem 'rubocop-rspec', '~> 2.29'
+gem 'rubocop-performance', '~> 1.24', '>= 1.24.0'
+gem 'rubocop-rspec', '~> 3.5', '>= 3.5.0'
 gem 'rubocop-sorbet', '~> 0.8'
 gem 'simplecov', '~> 0'
 gem 'simplecov_json_formatter'