Bump validators from 0.12.2 to 0.12.6 (#577)
Bump validators from 0.12.2 to 0.12.6 (#577)

Bumps [validators](https://github.com/kvesteri/validators) from 0.12.2 to 0.12.6.
- [Release notes](https://github.com/kvesteri/validators/releases)
- [Changelog](https://github.com/kvesteri/validators/blob/master/CHANGES.rst)
- [Commits](https://github.com/kvesteri/validators/commits)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
HewlettPackard/oneview-redfish-toolkit,HewlettPackard/oneview-redfish-toolkit