Update iced_native requirement from 0.8 to 0.9

Updates the requirements on [iced_native](https://github.com/iced-rs/iced) to permit the latest version.
- [Release notes](https://github.com/iced-rs/iced/releases)
- [Changelog](https://github.com/iced-rs/iced/blob/master/CHANGELOG.md)
- [Commits](https://github.com/iced-rs/iced/commits)

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

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

Cargo.toml

@@ -19,7 +19,7 @@ members = [".", "examples/split-chart"]
 [dependencies]
 plotters = { version = "0.3", default_features = false }
 plotters-backend = "0.3"
-iced_native = "0.8"
+iced_native = "0.9"
 iced_graphics = { version = "0.7", features = ["canvas"] }
 
 [dev-dependencies]