Auto merge of #143160 - ehuss:update-cargo, r=ehuss

Update cargo

7 commits in 409fed7dc1553d49cb9a8c0637d12d65571346ce..930b4f62cfcd1f0eabdb30a56d91bf6844b739bf
2025-06-23 15:55:04 +0000 to 2025-06-28 14:58:43 +0000
- Use a different lint for the `fix_only_once_for_duplicates` test (rust-lang/cargo#15713)
- chore: bump to 0.91.0; update changelog (rust-lang/cargo#15710)
- Add `http.proxy-cainfo` config for proxy certs (rust-lang/cargo#15374)
- chore(deps): update msrv (3 versions) to v1.86 (rust-lang/cargo#15709)
- chore(deps): update msrv (1 version) to v1.88 (rust-lang/cargo#15706)
- Rework `cargo-test-support` & `testsuite` to use `CARGO_BIN_EXE_*` for Cargo (rust-lang/cargo#15692)
- fix: Expand error messages around path dependency on `cargo package` and `cargo publish` (rust-lang/cargo#15705)

Author: bors