Big diff: use lower-case list and dict (#5888)

stdlib/distutils/spawn.pyi

@@ -1,4 +1,2 @@
-from typing import List
-
-def spawn(cmd: List[str], search_path: bool = ..., verbose: bool = ..., dry_run: bool = ...) -> None: ...
+def spawn(cmd: list[str], search_path: bool = ..., verbose: bool = ..., dry_run: bool = ...) -> None: ...
 def find_executable(executable: str, path: str | None = ...) -> str | None: ...