fix: _bcrypt.__about__.__version__ log warning

[motorina0]

pyca/bcrypt#684 (comment)

WARNING:passlib.handlers.bcrypt:(trapped) error reading bcrypt version
Traceback (most recent call last):
  File "/root/.cache/pypoetry/virtualenvs/lnbits-S_y84ukP-py3.12/lib/python3.12/site-packages/passlib/handlers/bcrypt.py", line 620, in _load_backend_mixin
    version = _bcrypt.__about__.__version__
              ^^^^^^^^^^^^^^^^^
AttributeError: module 'bcrypt' has no attribute '__about__'

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 61.76%. Comparing base (c4d0540) to head (76b2488).
Report is 1 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #3136      +/-   ##
==========================================
+ Coverage   61.74%   61.76%   +0.02%     
==========================================
  Files         104      104              
  Lines       13265    13271       +6     
==========================================
+ Hits         8190     8197       +7     
+ Misses       5075     5074       -1     

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[tlindi]

Fixes this too #3096 (comment)?