Update tui requirement from 0.14 to 0.19

Updates the requirements on [tui](https://github.com/fdehau/tui-rs) to permit the latest version.
- [Release notes](https://github.com/fdehau/tui-rs/releases)
- [Changelog](https://github.com/fdehau/tui-rs/blob/master/CHANGELOG.md)
- [Commits](fdehau/tui-rs@v0.14.0...v0.19.0)

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

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

Cargo.toml

@@ -17,5 +17,5 @@ serde = {version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 tokio = { version = "1.12.0", features = ["full"] }
 toml = "0.7"
-tui = { version = "0.14", default-features = false, features = ['crossterm', 'serde'] }
+tui = { version = "0.19", default-features = false, features = ['crossterm', 'serde'] }
 unicode-width = "0.1.8"