build(deps): bump datetime from 5.1 to 5.2

Bumps [datetime](https://github.com/zopefoundation/DateTime) from 5.1 to 5.2.
- [Changelog](https://github.com/zopefoundation/DateTime/blob/master/CHANGES.rst)
- [Commits](zopefoundation/DateTime@5.1...5.2)

---
updated-dependencies:
- dependency-name: datetime
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>