Rollup merge of #156437 - lnicola:sync-from-ra, r=lnicola

`rust-analyzer` subtree update

Subtree update of `rust-analyzer` to https://github.com/rust-lang/rust-analyzer/commit/e2a5867817d49134dd252562bd937a1cae59c4ae.

Created using https://github.com/rust-lang/josh-sync.

r? @ghost