qaf Release 4.0.0-RC1

• updated string util toObject to work with updated version of json
  dependency
• updates to support selenium 4.x (4.9.1 as of today)
• removed implementation of deprecated interfaces HasInputDevices,
  TouchScreen
• removed temporary work-around for null pointer exception, fix
  available with 4.0.0-beta-1
  SeleniumHQ/selenium@d16ecd2
• Removed temporary class provided for selenium-3 compatibility
• updated json dependency version to latest