chore(deps): update dependency rust to v1.91.1

[renovate]

This PR contains the following updates:

Package	Update	Change
rust	patch	1.91.0 -> 1.91.1

---

Release Notes

rust-lang/rust (rust)

v1.91.1

Compare Source

===========================

• Enable file locking support in illumos. This fixes Cargo not locking the build directory on illumos.
• Fix wasm_import_module attribute cross-crate. This fixes linker errors on WASM targets.

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[codspeed-hq]

CodSpeed Performance Report

Merging #90 will not alter performance

_{Comparing renovate/rust-toolchain (e5a1c9d) with main (141836b)}

Summary

✅ 4 untouched