[ANN] wxRuby3 v1.8.0 released

[Martin Corino]

This is a major upgrade providing improved stability and new classes and features.

What's changed in this release:

• major refactoring and improvements to life cycle management
• add Wx::WEB module
• add full support for wxWebView as Wx::WEB::WebView
• add Wx::WEB::WebView sample
• update INSTALL.md for WebView options
• add Wx::HTML::HtmlModalHelp
• add Wx::ContextHelp
• add Wx::HelpProvider sample
• add support for Ruby Ractor
• add Wx::RT module
• add Wx::RT::SharedEvtHandler and Wx::RT::ThreadEvent
• implement custom main event loop with automatic support for Ruby Thread and Ractor
• refactor event/threaded.rb sample to properly demonstrate Fiber, Thread and Ractor support
• extended regression tests
• update documentation and wiki
• update wxWidgets master branch compatibility to at least commit 226c77ec2ed77d636afe892acc39b186f03c12a

Note: This release has dropped support for Ruby version < 3.0.

For more details see the original release announcement here: https://github.com/mcorino/wxRuby3/discussions/493