Update notify requirement from 4 to 6

Updates the requirements on [notify](https://github.com/notify-rs/notify) to permit the latest version.
- [Release notes](https://github.com/notify-rs/notify/releases)
- [Changelog](https://github.com/notify-rs/notify/blob/main/CHANGELOG.md)
- [Commits](notify-rs/notify@notify-5.0.0-pre.16...notify-6.1.1)

---
updated-dependencies:
- dependency-name: notify
  dependency-type: direct:production
...

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

crates/cli/Cargo.toml

@@ -25,7 +25,7 @@ lightningcss = { version = "1.0.0-alpha.47", features = ["browserslist"] }
 salvo = { workspace = true, features = ["websocket"] }
 tokio = { version = "1.4", default-features = false, features = ["full"] }
 # not using notify 5.0 because it uses Crossbeam which has an issue with tokio
-notify = "4"
+notify = "6"
 once_cell ={ workspace = true }
 which = "5.0"
 cargo_metadata = { version = "0.18", features = ["builder"] }