Merge pull request #6 from DannyBen/remove/ruby30

Drop support for Ruby 3.0

Author: DannyBen

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
       LC_ALL: en_US.UTF-8 # consistent sort order
 
     strategy:
-      matrix: { ruby: ['3.0', '3.1', '3.2', '3.3'] }
+      matrix: { ruby: ['3.1', '3.2', '3.3', '3.4'] }
 
     steps:
     - name: Checkout code

.rubocop.yml

@@ -8,7 +8,7 @@ inherit_gem:
     - rspec.yml
 
 AllCops:
-  TargetRubyVersion: 3.0
+  TargetRubyVersion: 3.1
   SuggestExtensions: false
   Exclude:
     - 'dev/**/*'

gtx.gemspec

@@ -12,7 +12,7 @@ Gem::Specification.new do |s|
   s.files       = Dir['README.md', 'lib/**/*.*']
   s.homepage    = 'https://github.com/dannyben/gtx'
   s.license     = 'MIT'
-  s.required_ruby_version = '>= 3.0'
+  s.required_ruby_version = '>= 3.1'
 
   s.add_dependency 'erb', '~> 4.0'