devel/rust-analyzer: Update to 2022-01-17

Changes: https://rust-analyzer.github.io/thisweek/2021/12/27/changelog-109.html
Changes: https://rust-analyzer.github.io/thisweek/2022/01/03/changelog-110.html
Changes: https://rust-analyzer.github.io/thisweek/2022/01/10/changelog-111.html
Changes: https://rust-analyzer.github.io/thisweek/2022/01/17/changelog-112.html