Bump python3-saml from 1.5.0 to 1.6.0
Bump python3-saml from 1.5.0 to 1.6.0

Bumps [python3-saml](https://github.com/onelogin/python3-saml) from 1.5.0 to 1.6.0.
- [Release notes](https://github.com/onelogin/python3-saml/releases)
- [Changelog](https://github.com/onelogin/python3-saml/blob/master/changelog.md)
- [Commits](https://github.com/onelogin/python3-saml/compare/v1.5.0...v1.6.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
MITLibraries/ebooks,MITLibraries/ebooks