Log Message:
py-gitpython: updated to 3.1.30

3.1.30
- Make injections of command-invocations harder or impossible for clone and others.
  See https://github.com/gitpython-developers/GitPython/pull/1518 for details.
  Note that this might constitute a breaking change for some users, and if so please
  let us know and we add an opt-out to this.
- Prohibit insecure options and protocols by default, which is potentially a \ 
breaking change,
  but a necessary fix for \ 
https://github.com/gitpython-developers/GitPython/issues/1515.
  Please take a look at the PR for more information and how to bypass these \ 
protections
  in case they cause breakage: \ 
https://github.com/gitpython-developers/GitPython/pull/1521.