devel/rust-analyzer: Update to 2022-04-11

https://rust-analyzer.github.io/thisweek/2022/03/21/changelog-121.html
https://rust-analyzer.github.io/thisweek/2022/03/28/changelog-122.html
https://rust-analyzer.github.io/thisweek/2022/04/04/changelog-123.html
https://rust-analyzer.github.io/thisweek/2022/04/11/changelog-124.html