Fix dependency concurrent-ruby to v1.3.5

Concurrent-ruby v1.3.5 has removed the dependency on logger. All Rails versions before 7.1 are affected by this issue because they have a direct dependency on concurrent

carpentry.gemspec

@@ -21,6 +21,7 @@ Gem::Specification.new do |s|
 
   s.add_development_dependency "rdoc"
   s.add_development_dependency "rails", ">= 4.2.0", "~> 6.1.0"
+  s.add_development_dependency "concurrent-ruby", "<= 1.3.4"
   s.add_development_dependency "capybara", "~> 2.13"
   s.add_development_dependency "autotest-standalone"
   s.add_development_dependency "rspec-rails", "~> 3.4"