[feat] customize the notification sound

### Describe the bug

How to customize the notification sound

### Reproduction

1. js sendNotification

### Expected behavior

How to customize the notification sound

### Platform and versions

```shell
Environment
› OS: Mac OS 11.3.1 X64
› Node.js: 16.13.1
› npm: 8.1.2
› pnpm: 7.5.2
› yarn: 1.22.17
› rustup: 1.24.3
› rustc: 1.62.0
› cargo: 1.62.0
› Rust toolchain: stable-x86_64-apple-darwin

Packages
› @tauri-apps/cli [NPM]: 1.0.5
› @tauri-apps/api [NPM]: 1.0.2
› tauri [RUST]: 1.0.5,
› tauri-build [RUST]: 1.0.4,
› tao [RUST]: 0.12.2,
› wry [RUST]: 0.19.0,

App
› build-type: bundle
› CSP: unset
› distDir: ../dist
› devPath: http://localhost:3000/

App directory structure
├─ dist
├─ node_modules
├─ src-tauri
├─ .idea
└─ src
```

### Stack trace

_No response_

### Additional context

_No response_

The only entry point named is `js sendNotification`; no file or test is identified. Start there and trace the notification API in the Tauri plugin, then define and verify a supported way to customize the notification sound.

Written by the indexing model from the issue text.