Bump version 0.19.0 → 0.20.0

Bug fixes and improvements
--------------------------

* Drop Python 3.8 support
* Fix `code_verifier` being passed in `/token` request even if unset

Author: frankie567

fief_client/__init__.py

@@ -17,7 +17,7 @@
     FiefUserInfo,
 )
 
-__version__ = "0.19.0"
+__version__ = "0.20.0"
 
 __all__ = [
     "Fief",