Drop support for ruby 3.1

Author: bshand

.github/workflows/test.yml

@@ -8,7 +8,6 @@ jobs:
       fail-fast: false
       matrix:
         ruby-version:
-          - '3.1'
           - '3.2'
           - '3.3'
           - '3.4'

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## [Unreleased]
-* no unreleased changes *
+### Fixed
+* Drop support for ruby 3.1
 
 ## 7.2.2 / 2025-09-21
 ### Fixed

activemodel-caution.gemspec

@@ -19,7 +19,7 @@ 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'
+  spec.required_ruby_version = '>= 3.2'
 
   # Allow any point release over the existing Rails version, so
   # ActiveModel::Caution::RAILS_VERSION -> rails_dependency
@@ -40,6 +40,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'minitest'
   spec.add_development_dependency 'ndr_dev_support', '>= 6.0', '< 8.0'
   spec.add_development_dependency 'rake'
-  spec.add_development_dependency 'sqlite3', '~> 1.4', '>= 1.4.0'
+  spec.add_development_dependency 'sqlite3'
   # rubocop:enable Gemspec/DevelopmentDependencies
 end