drop support for Ruby below 3.1

Author: razumau

.github/workflows/ci.yml

@@ -9,12 +9,10 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
-          - '2.7'
-          - '3.0'
           - '3.1'
           - '3.2'
           - '3.3'
-          - jruby
+          - 'jruby-9.4'
         gemfile:
           - rails7.0
           - rails7.1

Changelog.md

@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+* Drop support for Ruby below 3.1
+
 ## 2.9.0
 
 * Drop Ruby < 2.7

prop.gemspec

@@ -10,6 +10,6 @@ Gem::Specification.new "prop", Prop::VERSION do |s|
   s.email    = '[email protected]'
   s.homepage = 'https://github.com/zendesk/prop'
 
-  s.required_ruby_version = '>= 2.7'
+  s.required_ruby_version = '>= 3.1'
   s.files = `git ls-files lib LICENSE README.md`.split("\n")
 end