Drop support for unmaintained Ruby versions

Author: infertux

.rubocop.yml

@@ -3,7 +3,7 @@ plugins:
   - rubocop-rspec
 
 AllCops:
-  TargetRubyVersion: 3.0
+  TargetRubyVersion: 3.2
   NewCops: enable
 
 Gemspec/DevelopmentDependencies:

ordinalize_full.gemspec

@@ -17,7 +17,7 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.required_ruby_version = ">= 3.0.0"
+  spec.required_ruby_version = ">= 3.2.0"
 
   spec.add_dependency "i18n", "~> 1.8"