Winit upgrade

[Klemen2]

Preparations for a new winit version.
If rust-windowing/winit#4656 has been closed before a new version is released it also supersedes #601 and closes 595

WPT results

10 newly passing, 0 newly failing (net +10).

Full diff (10 changed tests)

+ Fail => Pass css/WOFF2/blocks-extraneous-data-003.xht
+ Fail => Pass css/WOFF2/blocks-extraneous-data-004.xht
+ Fail => Pass css/WOFF2/blocks-extraneous-data-005.xht
+ Fail => Pass css/WOFF2/blocks-extraneous-data-006.xht
+ Fail => Pass css/WOFF2/blocks-extraneous-data-007.xht
+ Fail => Pass css/WOFF2/blocks-extraneous-data-008.xht
+ Fail => Pass css/WOFF2/blocks-overlap-003.xht
+ Fail => Pass css/WOFF2/header-reserved-001.xht
+ Fail => Pass css/WOFF2/tabledata-extraneous-data-001.xht
+ Fail => Pass css/WOFF2/tabledata-recontruct-loca-001.xht

_{Generated by the WPT workflow.}