Move helpers/network_manager.py to plugins/os/unix/linux/network_manager.py

[Miauwkeru]

• Move network_manager.py to os/unix
• Update the typing on network_managers.py

[codecov]

Codecov Report

Attention: Patch coverage is 63.63636% with 4 lines in your changes missing coverage. Please review.

Project coverage is 76.30%. Comparing base (28acbef) to head (39d0940).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...t/target/plugins/os/unix/linux/network_managers.py	60.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #869      +/-   ##
==========================================
- Coverage   76.31%   76.30%   -0.02%     
==========================================
  Files         312      312              
  Lines       26822    26823       +1     
==========================================
- Hits        20470    20467       -3     
- Misses       6352     6356       +4     

Flag	Coverage Δ
unittests	76.30% <63.63%> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[pyrco]

I think this file should be moved under the ./linux/ subdir as it is very Linux specific.