Fails to launch due to AttributeError with qdarktheme module when installed using pip3 on python 3.12

[DamienNB]

Describe the bug
vocabsieve installed on Fedora 39 now fails to launch.

To Reproduce
Steps to reproduce the behavior:

1. Run pip3 install --user --upgrade --force-reinstall vocabsieve
2. After installation is complete, attempt to start vocabsieve

Expected behavior
vocabsieve shouldn't fail to start

Logs
When trying to launch vocabsieve from the terminal, this is the output:

Traceback (most recent call last):
  File "/home/[username]/.local/bin/vocabsieve", line 5, in <module>
    from vocabsieve.main import main
  File "/home/[username]/.local/lib/python3.12/site-packages/vocabsieve/main.py", line 22, in <module>
    from .global_names import datapath, lock, app # First local import
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/[username]/.local/lib/python3.12/site-packages/vocabsieve/global_names.py", line 40, in <module>
    qdarktheme.enable_hi_dpi()
    ^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: module 'qdarktheme' has no attribute 'enable_hi_dpi'

Desktop (please complete the following information):

• OS: Fedora Workstation 39 x86_64
• pip3 version: pip-24.0-py3-none-any
• Vocabsieve version (if nightly, must be latest): vocabsieve-0.11.1-py3-none-any

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I'll look into this. Do note that VocabSieve is currently tested with python 3.11. A lot of dependencies probably do not work for 3.12 yet. Either use a virtual environment with 3.11 or use the AppImage.