Log Message:
py-unearth: updated to 0.13.0

0.13.0

Breaking Changes

Drop support for Python 3.7

Features

Add PyPI as the default index in PackageFinder
Add a default timeout to the session

Bug Fixes

Support fetching from Git refs
Update hg.py to use the commit hash instead of the local identity

Chores

Update pdm.lock
Update pdm.lock
Update pdm.lock
Update quickstart in the readme