chore: switch to gitpython for git stuff#497

NicolasIRAGNE wants to merge 3 commits intomaincoderamp-labs/gitingest:mainfrom

cursor/use-python-git-library-instead-of-system-calls-c076coderamp-labs/gitingest:cursor/use-python-git-library-instead-of-system-calls-c076Copy head branch name to clipboard