Log Message:
py-bracex: updated to 2.3

2.3
NEW: Drop Python 3.6 support.
NEW: Switch to Hatch build backend instead of Setuptools.

2.2.1
FIX: Remove excessive generator wrappers.
FIX: Use AnyStr for string static types instead of custom alias.

2.2
NEW: Support Python 3.10
NEW: Command line interface using python3 -m bracex
NEW: Add static types to API.