Bump @tauri-apps/api in /benchmark/02-empty-app-frameless/tauri

Bumps [@tauri-apps/api](https://github.com/tauri-apps/tauri) from 1.6.0 to 2.1.1.
- [Release notes](https://github.com/tauri-apps/tauri/releases)
- [Commits](https://github.com/tauri-apps/tauri/compare/@tauri-apps/api-v1.6...@tauri-apps/api-v2.1.1)

---
updated-dependencies:
- dependency-name: "@tauri-apps/api"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]