Update egui requirement from 0.28.1 to 0.29.0

Updates the requirements on [egui](https://github.com/emilk/egui) to permit the latest version.
- [Release notes](https://github.com/emilk/egui/releases)
- [Changelog](https://github.com/emilk/egui/blob/master/CHANGELOG.md)
- [Commits](emilk/egui@0.28.1...0.29.0)

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

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

Cargo.toml

@@ -40,7 +40,7 @@ serde_json = "1.0.128"
 semver = "1.0.23"
 # GUI
 eframe = "0.28.1"
-egui = "0.28.1"
+egui = "0.29.0"
 egui-notify = "0.15.0"
 egui_extras = { version = "0.28.1", features = ["syntect", "image"] }
 image = "0.25.2"