Rollup merge of rust-lang#97152 - ehuss:update-cargo, r=ehuss

Update cargo

3 commits in 3f052d8eed98c6a24f8b332fb2e6e6249d12d8c1..a4c1cd0eb6b18082a7e693f5a665548fe1534be4
2022-05-12 15:19:04 +0000 to 2022-05-18 01:52:07 +0000
- Add notes about pre-stabilization to contributor unstable docs (rust-lang/cargo#10675)
- reference: Update syntax supported by `rustc-link-lib` (rust-lang/cargo#10674)
- Correct the release dates for 1.61 and 1.62 (rust-lang/cargo#10665)