Log Message:
Update to comonad-5.0.8

5.0.8 [2020.12.30]
* Explicitly mark modules as Safe or Trustworthy.
* The build-type has been changed from Custom to Simple. To achieve
  this, the doctests test suite has been removed in favor of using
  cabal-docspec to run the doctests.

5.0.7 [2020.12.15]
* Move FunctorWithIndex (TracedT m w) instance from lens. This
  instance depends on the indexed-traversable package. This can be
  disabled using the flag of the same name.