asyncio: improve bytes handling (#9013)

stdlib/asyncio/subprocess.pyi

@@ -38,7 +38,7 @@ class Process:
     def send_signal(self, signal: int) -> None: ...
     def terminate(self) -> None: ...
     def kill(self) -> None: ...
-    async def communicate(self, input: bytes | None = ...) -> tuple[bytes, bytes]: ...
+    async def communicate(self, input: bytes | bytearray | memoryview | None = ...) -> tuple[bytes, bytes]: ...
 
 if sys.version_info >= (3, 10):
     async def create_subprocess_shell(