[ruby/mutex_m] Drop to support Ruby 2.4

https://github.com/ruby/mutex_m/commit/9245b9a63a
2023-01-12 14:32:19 +09:00 · 2023-01-12 14:32:19 +09:00 · 0e21c9f57e
commit 0e21c9f57e
parent fe11bee507
1 changed files with 1 additions and 0 deletions
--- a/lib/mutex_m.gemspec
+++ b/lib/mutex_m.gemspec
@ -20,6 +20,7 @@ Gem::Specification.new do |spec|
  spec.bindir        = "exe"
  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
  spec.require_paths = ["lib"]
+  spec.required_ruby_version = '>= 2.5'

  spec.add_development_dependency "bundler"
  spec.add_development_dependency "rake"