Bump bevy_color from 0.14.3 to 0.15.1

Bumps [bevy_color](https://github.com/bevyengine/bevy) from 0.14.3 to 0.15.1.
- [Release notes](https://github.com/bevyengine/bevy/releases)
- [Commits](https://github.com/bevyengine/bevy/commits)

---
updated-dependencies:
- dependency-name: bevy_color
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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