Bump tauri in /benchmark/02-empty-app-frameless/tauri/src-tauri

Bumps [tauri](https://github.com/tauri-apps/tauri) from 2.9.2 to 2.9.4.
- [Release notes](https://github.com/tauri-apps/tauri/releases)
- [Commits](tauri-apps/tauri@tauri-v2.9.2...tauri-v2.9.4)

---
updated-dependencies:
- dependency-name: tauri
  dependency-version: 2.9.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]