Feat/confusion matrix metric

[JSabadin]

Confusion Matrix Metric

In this PR, we have added the Confusion Matrix (CM) metric, which is logged using the log_matrix function from the luxonis_ml tracker. The Confusion Matrix is supported for the following tasks:

• Detection
• Classification
• Segmentation

We should merge this after PR #209 in luxonis-ml is merged, as it enables the logging of a matrix.

[codecov]

Codecov Report

Attention: Patch coverage is 56.84932% with 63 lines in your changes missing coverage. Please review.

Project coverage is 94.35%. Comparing base (631b905) to head (d4170a9).
Report is 21 commits behind head on main.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...train/attached_modules/metrics/confusion_matrix.py	49.57%	60 Missing ⚠️
luxonis_train/config/config.py	75.00%	2 Missing ⚠️
...ts/unittests/test_metrics/test_confusion_matrix.py	93.33%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #138      +/-   ##
==========================================
- Coverage   96.31%   94.35%   -1.97%     
==========================================
  Files         147      166      +19     
  Lines        6304     7302     +998     
==========================================
+ Hits         6072     6890     +818     
- Misses        232      412     +180     

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