Update derivative requirement from ^1.0.2 to ^2.1.0
Update derivative requirement from ^1.0.2 to ^2.1.0

Updates the requirements on [derivative](https://github.com/mcarton/rust-derivative) to permit the latest version.
- [Release notes](https://github.com/mcarton/rust-derivative/releases)
- [Changelog](https://github.com/mcarton/rust-derivative/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mcarton/rust-derivative/commits)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
olson-sean-k/plexus,olson-sean-k/plexus