- update to 3.15.0:
* Implement defaultdict lambda fixer
* update import symbols for 3.12 release
* constant fold isinstance / issubclass / except
* slight improvement to except fix
* document TimeoutError rewrites
* also rewrite os.error -> OSError
* prevent rewriting unittest module functions with additional
arguments
* fix string formatting with named escape adjacent to placeholder
* regenerate with latest reorder-python-imports
* slightly cleaner plugin union registering
* remove python 2 notes about invalid escapes
* correct minimum requirement
* fix weird-ws empty set literals
* automatically rewrite to shlex.join in --py38-plus
* posonlyargs are always present in 3.8+
* updates for add-trailing-comma 3.x
* 3.12 TypeVar bounds are always unquotable
* support PEP 563 rewrites for 3.12+ TypeVar bounds

- Update to version 3.2.1
- Update to version 3.2.0
- upgrade mypy to get typeshed fix