v2.1.2
Backport PR #54633 on branch 2.1.x (DEP: remove python-snappy and brotli as optional dependencies (no longer used)) (#54637)
CI: fix failing script/tests (#40457)
STY: pyupgrade to 3.9 (#54044)
Add script to automatically download wheels (#50859)
CI, ENH: Check each minimum dependency is enforced in *.yaml and environment.yml (#51189)
STY: Enable ruff perflint (#54236)
Revert Cython upgrade (#54497)
use vulture hook (#45173)
DOC: Fixing EX01 - Added examples (#54318)
STYLE: specify encodings when opening files (#52999)
Backport PR #54525 on branch 2.1.x (BLD: Fix version script) (#54560)