* Moved winhttp tests to WS2022 for WSL support
* Windows 2022 images has VS 2022 not 2019
* Fixed get-binarysizes script to account for WS 2022 image; formatted platform matrix files
* Install squid proxies
* Fixed typo in Install-WSL script
* Added WS2022 to live tests
* Cleaned up platform matrix platforms; removed code coverage exception to proxy tests
* Fixed two compiler warnings reported by the cognitive services team
