fix(deps): update rust crate webview2-com to 0.34

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
webview2-com	dependencies	minor	0.33 -> 0.34

---

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.

[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: backend/Cargo.lock

Command failed: cargo update --config net.git-fetch-with-cli=true --manifest-path backend/tauri/Cargo.toml --package webview2-com@0.33.0 --precise 0.34.0
    Updating crates.io index
error: failed to select a version for the requirement `webview2-com = "^0.33"`
candidate versions found which didn't match: 0.34.0
location searched: crates.io index
required by package `tauri v2.1.1`
    ... which satisfies dependency `tauri = "^2.0.1"` (locked to 2.1.1) of package `clash-nyanpasu v0.1.0 (/tmp/renovate/repos/github/libnyanpasu/clash-nyanpasu/backend/tauri)`