Bump gitpython from 2.1.12 to 2.1.13
Bump gitpython from 2.1.12 to 2.1.13

Bumps [gitpython](https://github.com/gitpython-developers/GitPython) from 2.1.12 to 2.1.13.
- [Release notes](https://github.com/gitpython-developers/GitPython/releases)
- [Changelog](https://github.com/gitpython-developers/GitPython/blob/master/CHANGES)
- [Commits](https://github.com/gitpython-developers/GitPython/compare/2.1.12...2.1.13)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
business-factory/gold-digger