Bump check-manifest from 0.39 to 0.40
Bump check-manifest from 0.39 to 0.40

Bumps [check-manifest](https://github.com/mgedmin/check-manifest) from 0.39 to 0.40.
- [Release notes](https://github.com/mgedmin/check-manifest/releases)
- [Changelog](https://github.com/mgedmin/check-manifest/blob/master/CHANGES.rst)
- [Commits](https://github.com/mgedmin/check-manifest/compare/0.39...0.40)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
plus3it/watchmaker,plus3it/watchmaker