v5.0.0-alpha

refactor: Update to work with Selenium 4 (with element factory) (#469)

* Add most fixes

* Get proect to build

* Use new platform setting  more consistantly

* Get WinAppTests kind of working

* Drop one off web elements
Add 'App' as a known capablity
Transition from AddAdditionalCapability to AddAdditionalOption

* Use Selenium 4 RC2 and remove extra using statements

* Cleanup mobile selectors and image compare test

* Fix mobile By bug

* Undo local test code

* Address PR comments

* Add back IdempotencyHeader

* PR related cleanup

* Update to latest Selenium RC

* Update PageObjects code to work with new Element and driver paradigm
Update tests to leverage configuration DeviceName and AddAdditionalAppiumOption

* Work with web element factory

* Update to work with upcoming RC4

* Move to official release as there will be no RC4

* Update copyright

* Put Newtonsoft back

* Use ternary operator

* Remove outdated using statements