Fix Mac wheels

Mac wheels previously pointed to the wrong location for the *.dylib file (since automatic packaging via GitHub Actions was instituted). This has been fixed.

sha1sum results:
d8048da9f9802d1360145e8d1ed48918b50f595e pyqrack-1.29.4-py3-none-macosx_10_4_universal2.whl
dc0839ea7659bd1e0d9737b2be4d6bb04adbb76f pyqrack-1.29.4-py3-none-manylinux2014_x86_64.whl
22e8c4d312258be65b52beb87ea3bd097b68bc18 pyqrack-1.29.4-py3-none-manylinux_2_35_x86_64.whl
7b471a14c73dd715eeda0125278b750088e013b0 pyqrack-1.29.4-py3-none-manylinux_2_39_x86_64.whl
5304bf818f0502620b11bc0e8e290cfd903cf4f7 pyqrack-1.29.4-py3-none-win_amd64.whl
70937ec838dc1fceb6ee60f974ec11e38c5b6494 pyqrack-1.29.4.tar.gz