Extends to Ruby 3x

Author: brgix

osut.gemspec

@@ -23,10 +23,10 @@ Gem::Specification.new do |s|
   s.bindir                    = "exe"
   s.require_paths             = ["lib"]
   s.executables               = s.files.grep(%r{^exe/}) { |f| File.basename(f) }
-  s.required_ruby_version     = [">= 2.5.0", "< 3"]
+  s.required_ruby_version     = [">= 2.5.0", "< 4"]
   s.metadata                  = {}
 
-  s.add_dependency              "oslg",    ">= 0.2.10"
+  s.add_dependency              "oslg",    ">= 0.3.0"
   s.add_development_dependency  "bundler", "~> 2.1"
   s.add_development_dependency  "rake",    "~> 13.0"
   s.add_development_dependency  "rspec",   "~> 3.11"