v2.11.0
Upgrade the pinned version of pylint (#9839)
Bump version to 2.9.0
acme: remove Client and BackwardsCompatibleClientV2 (#9356)
Docs: Reset requirements.txt path (#9877)
Update Copyright notice in subpackages LICENSE.
Make acme tests internal (#9625)
Fix ACME module description
Fixes #6085. (#6091)
Pin readthedocs deps (#9083)
Release 2.11.0