chore(deps): bump tauri-plugin-shell in /src-tauri

Bumps [tauri-plugin-shell](https://github.com/tauri-apps/plugins-workspace) from `8638740` to `6ada2af`.
- [Release notes](https://github.com/tauri-apps/plugins-workspace/releases)
- [Commits](tauri-apps/plugins-workspace@8638740...6ada2af)

---
updated-dependencies:
- dependency-name: tauri-plugin-shell
  dependency-type: direct:production
...

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