Log Message:
www/ruby-selenium-webdriver: update to 4.21.1

4.21.0 (2024-05-16)

* Add CDP for Chrome 125 and remove 122
* Initial extensibility points for Appium
  - Support registering extra headers in HTTP client
  - Support overriding User-Agent in HTTP client
  - Support registering extra bridge commands
  - Support overriding default locator conversion
  - Support registering custom finders for SearchContext
  - Support using custom element classes

4.21.1 (2024-05-16)

* Fixed missing Chrome binary error in Rails system tests.