Bump egui-wgpu from 0.28.1 to 0.29.0

Bumps [egui-wgpu](https://github.com/emilk/egui) from 0.28.1 to 0.29.0.
- [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-wgpu
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]