fix(deps): update object-c packages

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
objc2	dependencies	minor	0.5.2 -> 0.6.0
objc2-app-kit	dependencies	minor	0.2.2 -> 0.3.0
objc2-foundation	dependencies	minor	0.2.2 -> 0.3.0

---

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.

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

---

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

---

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

[renovate]

⚠️ Artifact update problem

Renovate failed to update artifacts 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: backend/nyanpasu-egui/Cargo.lock

Command failed: cargo update --config net.git-fetch-with-cli=true --manifest-path backend/nyanpasu-egui/Cargo.toml --package [email protected] --precise 0.6.0
    Updating crates.io index
error: failed to select a version for the requirement `objc2 = "^0.5.1"`
candidate versions found which didn't match: 0.6.0
location searched: crates.io index
required by package `rfd v0.15.2`
    ... which satisfies dependency `rfd = "^0.15"` (locked to 0.15.2) of package `clash-nyanpasu v0.1.0 (/tmp/renovate/repos/github/libnyanpasu/clash-nyanpasu/backend/tauri)`

File name: backend/Cargo.lock

Command failed: cargo update --config net.git-fetch-with-cli=true --manifest-path backend/tauri-plugin-deep-link/Cargo.toml --package [email protected] --precise 0.6.0
    Updating crates.io index
error: failed to select a version for the requirement `objc2 = "^0.5.1"`
candidate versions found which didn't match: 0.6.0
location searched: crates.io index
required by package `rfd v0.15.2`
    ... which satisfies dependency `rfd = "^0.15"` (locked to 0.15.2) of package `clash-nyanpasu v0.1.0 (/tmp/renovate/repos/github/libnyanpasu/clash-nyanpasu/backend/tauri)`

File name: backend/Cargo.lock

Command failed: cargo update --config net.git-fetch-with-cli=true --manifest-path backend/tauri/Cargo.toml --package [email protected] --precise 0.6.0
    Updating crates.io index
error: failed to select a version for the requirement `objc2 = "^0.5.1"`
candidate versions found which didn't match: 0.6.0
location searched: crates.io index
required by package `rfd v0.15.2`
    ... which satisfies dependency `rfd = "^0.15"` (locked to 0.15.2) of package `clash-nyanpasu v0.1.0 (/tmp/renovate/repos/github/libnyanpasu/clash-nyanpasu/backend/tauri)`