Merge pull request #2596 from ruby/drop-ruby-3.1

Bye ruby-3.1

Author: soutaro

.github/workflows/ruby.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.1', '3.2', '3.3', '3.4', head]
+        ruby: ['3.2', '3.3', '3.4', head]
         rubyopt: [""]
         job:
           - test

.rubocop.yml

@@ -3,7 +3,7 @@ plugins:
   - rubocop-on-rbs
 
 AllCops:
-  TargetRubyVersion: 3.1
+  TargetRubyVersion: 3.4
   DisabledByDefault: true
   Exclude:
     - 'vendor/bundle/**/*'

rbs.gemspec

@@ -38,13 +38,13 @@ Gem::Specification.new do |spec|
   spec.extensions = %w{ext/rbs_extension/extconf.rb}
 
   if false
-    spec.required_ruby_version = ">= 3.3"
+    spec.required_ruby_version = ">= 3.4"
   end
 
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
-  spec.required_ruby_version = ">= 3.1"
+  spec.required_ruby_version = ">= 3.2"
   spec.add_dependency "logger"
   spec.add_dependency "prism", ">= 1.3.0"
 end