fix: workaround fcntl and dbus_fast not available on windows

[bdraco]

fixes #101

[codecov]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (0e9bc85) 91.90% compared to head (0acf97c) 91.89%.

Files	Patch %	Lines
src/bluetooth_adapters/systems/linux_hci.py	66.66%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #102      +/-   ##
==========================================
- Coverage   91.90%   91.89%   -0.01%     
==========================================
  Files          13       13              
  Lines         457      469      +12     
  Branches       80       81       +1     
==========================================
+ Hits          420      431      +11     
- Misses         30       31       +1     
  Partials        7        7              

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[bdraco]

usb_devices has the same issue.

need to solve that first.