Import from collections.abc wherever possible (#7635)

stdlib/_thread.pyi

@@ -1,8 +1,9 @@
 import sys
 from _typeshed import structseq
+from collections.abc import Callable
 from threading import Thread
 from types import TracebackType
-from typing import Any, Callable, NoReturn
+from typing import Any, NoReturn
 from typing_extensions import Final, final
 
 error = RuntimeError