devel/rust-analyzer: Update to 2022-03-14
Changes:
https://rust-analyzer.github.io/thisweek/2022/01/31/changelog-115.html https://rust-analyzer.github.io/thisweek/2022/01/31/changelog-116.html https://rust-analyzer.github.io/thisweek/2022/01/31/changelog-117.html https://rust-analyzer.github.io/thisweek/2022/01/31/changelog-118.html https://rust-analyzer.github.io/thisweek/2022/01/31/changelog-119.html https://rust-analyzer.github.io/thisweek/2022/03/14/changelog-120.html