Bump rgb2hex from 0.1.0 to 0.1.9 (#3801)
Bump rgb2hex from 0.1.0 to 0.1.9 (#3801)

Bumps [rgb2hex](https://github.com/christian-bromann/rgb2hex) from 0.1.0 to 0.1.9.
- [Release notes](https://github.com/christian-bromann/rgb2hex/releases)
- [Commits](https://github.com/christian-bromann/rgb2hex/compare/v0.1.0...v0.1.9)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: null <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
zeit/hyper,zeit/hyper,zeit/hyper,zeit/hyper