build(cargo): update unicode-width requirement from 0.1 to 0.2 (#43)

Updates the requirements on [unicode-width](https://github.com/unicode-rs/unicode-width) to permit the latest version.
- [Commits](https://github.com/unicode-rs/unicode-width/commits)

---
updated-dependencies:
- dependency-name: unicode-width
  dependency-type: direct:production
...

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Cargo.toml

@@ -24,7 +24,7 @@ lto = true
 
 [dependencies]
 ratatui = { version = "0.28", default-features = false }
-unicode-width = "0.1"
+unicode-width = "0.2"
 
 [dev-dependencies]
 criterion = "0.5"