This is needed to be able to use the git extension.
The extension no longer complains about the library being not installed, but
hg log -r . on a repo that works in WSL yielded a TypeError:
... File "mercurial.hg", line 188, in _peerorrepo File "mercurial.localrepo", line 3224, in instance File "mercurial.localrepo", line 623, in makelocalrepository File "hgext.git", line 117, in _makestore File "hgext.git", line 48, in __init__ TypeError: Repository unable to unpack backend.