Log Message:
py-bitarray: updated to 2.4.1

2.4.1:
* improve `resize()`
* optimize `copy_n()` by avoiding loops
* `.bytereverse()` no longer sets unused bits to zero

2.4.0:
* enable building wheels for multiple platforms and Python versions using
  pypa/cibuildwheel
* use setuptools instead of distutils in `setup.py`
* add missing type hinting for `.count()` step argument