refactor: consolidate linting tools into Ruff

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

tests/test_filename_utils.py

@@ -5,9 +5,7 @@ Tests filename sanitization and manipulation functions.
 """
 
 import os
-from datetime import datetime
-from pathlib import Path
-from unittest.mock import Mock, patch
+from unittest.mock import Mock
 
 import pytest