Merge pull request #750 from splitrb/dependabot/bundler/concurrent-ruby-lt-1.3.9

Update concurrent-ruby requirement from < 1.3.5 to < 1.3.9

Author: andrehjr

Gemfile

@@ -6,6 +6,6 @@ gemspec
 
 gem "rubocop", require: false
 gem "codeclimate-test-reporter"
-gem "concurrent-ruby", "< 1.3.5"
+gem "concurrent-ruby", "< 1.3.9"
 
 gem "rails", "~> #{ENV.fetch('RAILS_VERSION', '8.0')}"