Auto merge of #161273 - weihanglo:update-cargo, r=weihanglo

Update cargo submodule



6 commits in 8a0d8afba810304bcf9a10bac430be80dd470233..514c56dd7321eecbfdcf9b6479519cf4edfab906
2026-08-15 01:32:53 +0000 to 2026-08-19 00:31:04 +0000
- fix(git): `git gc` with `safe.bareRepository=explicit` (rust-lang/cargo#17370)
- test: make snapshots agnostic to `-Zembed-metadata=no` (rust-lang/cargo#17374)
- fix(clean): Improving description for clean options (rust-lang/cargo#17365)
- Re-stabilize build-dir layout v2 (rust-lang/cargo#17354)
- Enable `-Zembed-metadata=no` by default on nightly Cargo (rust-lang/cargo#17267)
- fix(frontmatter): Don't panic on a short closing fence before a non-ASCII char (rust-lang/cargo#17274)