Bump isodate from 0.6.1 to 0.7.2

Bumps [isodate](https://github.com/gweis/isodate) from 0.6.1 to 0.7.2.
- [Changelog](https://github.com/gweis/isodate/blob/master/CHANGES.txt)
- [Commits](gweis/isodate@0.6.1...0.7.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]