chore(deps): update rust crate winit to v0.30.12

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
winit	dev-dependencies	patch	0.30.11 -> 0.30.12

---

Release Notes

rust-windowing/winit (winit)

v0.30.12: Winit version v0.30.12

Compare Source

Fixed

• On macOS, fix crash on macOS 26 by using objc2's relax-sign-encoding feature.

---

Configuration

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

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, 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.

[github-actions]

Package Changes Through b5ca598

No changes.

Add a change file through the GitHub UI by following this link.

---

Read about change files or the docs at github.com/jbolda/covector

[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: Cargo.lock

Command failed: cargo update --config net.git-fetch-with-cli=true --manifest-path Cargo.toml --package [email protected] --precise 0.30.12
error: failed to acquire package cache lock

Caused by:
  failed to open: /home/ubuntu/.cargo/.package-cache

Caused by:
  failed to create directory `/home/ubuntu/.cargo`

Caused by:
  File exists (os error 17)