Update egui_extras requirement from 0.28 to 0.29

Updates the requirements on [egui_extras](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@0.28.0...0.29.0)

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

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

anise-gui/Cargo.toml

@@ -17,7 +17,7 @@ pretty_env_logger = { workspace = true }
 egui-toast = "0.14"
 eframe = { version = "0.28" }
 egui = { version = "0.28" }
-egui_extras = { version = "0.28", features = ["datepicker", "http", "image"] }
+egui_extras = { version = "0.29", features = ["datepicker", "http", "image"] }
 catppuccin-egui = { version = "5.1", default-features = false, features = [
     "egui28",
 ] }