update support ruby/rails version

* Ruby 2.7 / 3.0 is already an EOL version.
* Rails 6.1 will reach its EOL on 2024/10/01, so it will also be removed from the list of supported versions.

.github/workflows/rspec.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        ruby: ["2.7","3.0","3.1","3.2"]
+        ruby: ["3.1","3.2","3.3"]
     env:
       BUNDLE_GEMFILE: .github/Gemfile
       MYSQL_HOST: 127.0.0.1

octoball.gemspec

@@ -15,14 +15,14 @@ Gem::Specification.new do |s|
   s.homepage    = 'https://github.com/aktsk/octoball'
   s.require_paths = ['lib']
 
-  s.required_ruby_version = '>= 2.7.0'
+  s.required_ruby_version = '>= 3.1.0'
 
-  s.add_dependency 'activerecord', '>= 6.1'
-  s.add_dependency 'activesupport', '>= 6.1'
+  s.add_dependency 'activerecord', '>= 7.0'
+  s.add_dependency 'activesupport', '>= 7.0'
 
   s.add_development_dependency 'mysql2'
   s.add_development_dependency 'rake'
   s.add_development_dependency 'rspec', '>= 3'
   s.add_development_dependency 'rubocop'
-  s.add_development_dependency 'byebug'
+  s.add_development_dependency 'debug'
 end