Ignore PTPv1 packets

[teodly]

fixes #532

[codecov]

Codecov Report

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

Project coverage is 63.11%. Comparing base (a32a48d) to head (48e1fd4).
Report is 10 commits behind head on main.

Files with missing lines	Patch %	Lines
statime-linux/src/main.rs	0.00%	3 Missing ⚠️
statime/src/port/mod.rs	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #533      +/-   ##
==========================================
- Coverage   63.64%   63.11%   -0.53%     
==========================================
  Files          60       60              
  Lines        8024     8104      +80     
==========================================
+ Hits         5107     5115       +8     
- Misses       2917     2989      +72     

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[davidv1992]

Can you fix the failing style check?