www/ruby-selenium-webdriver: update to 4.20.1

4.20.0 (2024-04-24)

* Add CDP for Chrome 124 and remove 121

* Making Selenium Manager a thin wrapper (#13386)

  - This change has been made to make it easier to maintain and improve, the
    interface has changed and if users were invoking it, they might
    experience issues.  Selenium Manager is still in beta and these type of
    changes are expected.

4.20.1 (2024-04-25)

* Returned accidentally removed DriverFinder.path and deprecated it.

(taca)