Updates the requirements on [quickcheck_macros](https://github.com/BurntSushi/quickcheck) to permit the latest version. - [Release notes](https://github.com/BurntSushi/quickcheck/releases) - [Commits](BurntSushi/quickcheck@quickcheck_macros-0.8.0...quickcheck_macros-0.9.1) Signed-off-by: dependabot-preview[bot] <support@dependabot.com> Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>