⬆️ Bump gitdb2 from 3.0.3.post1 to 4.0.2 (#174)

Bumps [gitdb2](https://github.com/gitpython-developers/gitdb) from 3.0.3.post1 to 4.0.2.
- [Release notes](https://github.com/gitpython-developers/gitdb/releases)
- [Commits](gitpython-developers/gitdb@3.0.3.post1...4.0.2)

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