Revert "Support Ruby 3.4. Drop support for Rails 7.0, Ruby 3.1"

This reverts commit a740b33.

Author: bshand

.github/workflows/test.yml

@@ -7,10 +7,11 @@ jobs:
     strategy:
       matrix:
         ruby-version:
+          - '3.1'
           - '3.2'
           - '3.3'
-          - '3.4'
         gemfile:
+          - gemfiles/Gemfile.rails70
           - gemfiles/Gemfile.rails71
           - gemfiles/Gemfile.rails72
           - gemfiles/Gemfile.rails80

CHANGELOG.md

@@ -1,6 +1,5 @@
 ## [Unreleased]
-### Fixed
-* Support Ruby 3.4. Drop support for Rails 7.0, Ruby 3.1
+* no unreleased changes *
 
 ## 6.0.3 / 2025-06-11
 ### Fixed

gemfiles/Gemfile.rails70

@@ -0,0 +1,19 @@
+source 'https://rubygems.org'
+
+gemspec path: '..'
+
+gem 'rails',  '~> 7.0.0'
+
+gem 'bundler'
+gem 'guard'
+gem 'guard-minitest'
+gem 'guard-rubocop'
+gem 'minitest', '>= 5.0.0'
+gem 'ndr_dev_support', '>= 6.0', '< 8.0'
+gem 'github-linguist'
+gem 'pry'
+gem 'rake'
+gem 'terminal-notifier-guard' if RUBY_PLATFORM =~ /darwin/
+
+# Latest concurrent-ruby breaks Rails < 7.1. See https://github.com/rails/rails/issues/54260
+gem 'concurrent-ruby', '1.3.4'