uv

9f109f24 - uv-resolver: remove 'derive(Derivative)' from PubGrubPackage

uv-resolver: remove 'derive(Derivative)' from PubGrubPackage It looks like the last vestiges of `Derivative` were removed in commit 7eaed07f6c2da361205cca5e2a4ed56835e2d390, but the then rendered superfluous `derive(Derivative)` wasn't removed.