Test with the released version of v7.0

Rails just released v7.0.10 which contains the fixes for Ruby 3.4 we
needed to get the build green, so no need to point to GH anymore.

https://rubyonrails.org/2025/10/29/new-rails-releases-and-end-of-support-announcement

Note that v7.0 has reached EOL for a while now.

Author: carlosantoniodasilva

gemfiles/Gemfile-rails-7-0

@@ -4,7 +4,6 @@ gemspec path: '..'
 
 gem 'rake'
 gem 'rdoc'
-# Use the branch which contains some fixes to work with the Ruby logger gem.
-gem 'railties', '~> 7.0.0', github: 'rails/rails', branch: '7-0-stable'
-gem 'activemodel', '~> 7.0.0', github: 'rails/rails', branch: '7-0-stable'
-gem 'actionpack', '~> 7.0.0', github: 'rails/rails', branch: '7-0-stable'
+gem 'railties', '~> 7.0.0'
+gem 'activemodel', '~> 7.0.0'
+gem 'actionpack', '~> 7.0.0'