Update cargo submodule

[weihanglo]

9 commits in 7ecf0285ebb408d596e4a8ac76a0980d8edb7005..06ac0e7c05770a8c7bbf67bdd12fa1a1eefdc8ae
2026-04-18 15:34:11 +0000 to 2026-04-21 15:33:56 +0000

• test(git): add regression test for full-hash GitHub fast path (test(git): add regression test for full-hash GitHub fast path cargo#16919)
• fix(help): add .1 extension to man page temp file (fix(help): add .1 extension to man page temp file cargo#16917)
• Fix flaky test: sparse_blocking_count (Fix flaky test: sparse_blocking_count cargo#16916)
• Fix flaky test compile_offline_while_transitive_dep_not_cached (Fix flaky test compile_offline_while_transitive_dep_not_cached cargo#16915)
• Fix test fetch_all_platform_dependencies_when_no_target_is_given (Fix test fetch_all_platform_dependencies_when_no_target_is_given cargo#16914)
• chore(ci): Use actions/deploy-pages for Cargo Contributor Guide deployment (chore(ci): Use actions/deploy-pages for Cargo Contributor Guide deployment cargo#16876)
• Convert GitHub fast path to use http_async (Convert GitHub fast path to use http_async cargo#16912)
• refactor(network): convert .crate downloads to use http_async (refactor(network): convert .crate downloads to use http_async cargo#16902)
• fix(tests): flaky test local_poll_adapter deferred_success (fix(tests): flaky test local_poll_adapter deferred_success cargo#16909)

r? ghost

[rustbot]

Some changes occurred in src/tools/cargo

cc @ehuss

[rustbot]

⚠️ Warning ⚠️

• Some commits in this PR modify submodules.

  If this was not intentional, see I changed a submodule on accident in the rustc dev guide.

[weihanglo]

@bors r+ rollup=never p=1

[rust-bors]

📌 Commit 14db8ba has been approved by weihanglo

It is now in the queue for this repository.

[JonathanBrouwer]

@bors p=6
Scheduling this before the next rollup

[rust-bors]

⌛ Testing commit 14db8ba with merge 9ec5d5f...

Workflow: https://github.com/rust-lang/rust/actions/runs/24743721960