Update python-bitstring to version 4.3.1 / rev 6 via SR 1273301
    
    https://build.opensuse.org/request/show/1273301
    by user StevenK + dimstar_suse
    - Correct Requires, it's python-bitarray.
    
    - Update to 4.3.1:
      * Updated bitarray dependency to allow for v3.x.
    - Update to 4.3.0:
      * Upgraded bitarray dependency to >= 3.0.0.
      * Explicit support for Python 3.13.
      * Added i and I struct codes for 32-bit ints. Bug #340.
      * Removed the 'experimental feature' label from the new exotic floating point
        types.
      * Fix for negative index LSB0 slicing issue. Bug #343.
    - Update to 4.2.3:
      * Some codes representing exotic float negative zero converted to positive
        zero. Bug #333.
      * Auto-scaling rounding the wrong way on occasion. Bug #334.
    - Update to 4.2.2:
      * Sometimes a ValueError was being raised instead of a ReadError. Bug #325.
      * Initialising a bitstring from None now raises a TypeError rather than
        generating an empty bits