labgrid-raw-interface: Add permissions

[JoshuaWatt]

Adds support for the helper.yaml file to specify which subcommands users are allowed to execute using labgrid-raw-interface. Denied commands will fail with an error.

The RawNetworkInterfaceDriver is updated to query if the ip command is allowed before attemping to bring the interface up and down on activate/deactivate. This prevents it from erroring out if this behavior is not allowed

Description

Checklist

• Documentation for the feature
• Tests for the feature

• The arguments and description in doc/configuration.rst have been updated

• Add a section on how to use the feature to doc/usage.rst

• Add a section on how to use the feature to doc/development.rst

• PR has been tested

• Man pages have been regenerated

[codecov]

Codecov Report

❌ Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 46.7%. Comparing base (bfb6ff2) to head (5316793).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
labgrid/driver/rawnetworkinterfacedriver.py	0.0%	4 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           master   #1808     +/-   ##
========================================
- Coverage    46.7%   46.7%   -0.1%     
========================================
  Files         179     179             
  Lines       14202   14204      +2     
========================================
  Hits         6645    6645             
- Misses       7557    7559      +2     

Flag	Coverage Δ
3.10	46.7% <0.0%> (-0.1%)	⬇️
3.11	46.7% <0.0%> (-0.1%)	⬇️
3.12	46.7% <0.0%> (-0.1%)	⬇️
3.13	46.7% <0.0%> (-0.1%)	⬇️
3.14	46.7% <0.0%> (-0.1%)	⬇️

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