GHSA-6P8H-3WGX-97GF GitPython: Incomplete unsafe_git_clone_options denylist omits --template enabling arbitrary command execution via clone hooks

Summary GitPython's unsafegitcloneoptions denylist omits --template. git clone --template= copies /hooks/ into the new repository and runs them post-checkout fires during clone, so a caller who can influence clone options can achieve arbitrary command execution in the default...