Fix deprecation warning: importlib.abc.Traversable

Author: drdavella

src/codemodder/codemods/base_codemod.py

@@ -7,7 +7,7 @@
 from dataclasses import dataclass, field
 from enum import Enum
 from functools import cached_property
-from importlib.abc import Traversable
+from importlib.resources.abc import Traversable
 from pathlib import Path
 
 from codemodder.code_directory import file_line_patterns