Bump FsCheck.Xunit from 2.15.3 to 2.16.0
Bumps [FsCheck.Xunit](https://github.com/fsharp/FsCheck) from 2.15.3 to 2.16.0.
- [Release notes](https://github.com/fsharp/FsCheck/releases)
- [Changelog](https://github.com/fscheck/FsCheck/blob/master/FsCheck%20Release%20Notes.md)
- [Commits](https://github.com/fsharp/FsCheck/compare/2.15.3...2.16.0)
---
updated-dependencies:
- dependency-name: FsCheck.Xunit
dependency-type: direct:production
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>