test: fix regex rule compilation in tests

Author: chalmerlowe

scripts/version_scanner/tests/unit/test_version_scanner.py

@@ -526,9 +526,11 @@ def test_scan_file_truncation_bug(tmp_path):
     # Init config for 3.1
     config_manager = ConfigManager("regex_config.yaml", "python", "3.1")
     rules = config_manager.load_config()
+    import re
+    compiled_rules = [{"name": r["name"], "pattern": re.compile(r["pattern"], re.IGNORECASE)} for r in rules]
 
     # It should not match anything because all strings are 3.10, not 3.1
-    matches = scan_file(str(test_file), rules)
+    matches = scan_file(str(test_file), compiled_rules)
     assert len(matches) == 0, f"Expected 0 matches for 3.1 in 3.10 content, but got {len(matches)}: {matches}"