Bump rgb from 0.8.14 to 0.8.32

Bumps [rgb](https://github.com/kornelski/rust-rgb) from 0.8.14 to 0.8.32.
- [Release notes](https://github.com/kornelski/rust-rgb/releases)
- [Commits](https://github.com/kornelski/rust-rgb/commits)

---
updated-dependencies:
- dependency-name: rgb
  dependency-type: indirect
...

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Author: dependabot[bot]