[stdlib] Update asyncio.Runner.run to acccept Awaitable

As all Coroutine instances are also instances of Awaitable, we can just
directly relax this type bound.

Issue: gh-120284
Link: python/cpython@1229cb8

Author: 0az

stdlib/asyncio/runners.pyi

@@ -1,6 +1,6 @@
 import sys
 from _typeshed import Unused
-from collections.abc import Callable, Coroutine
+from collections.abc import Awaitable, Callable, Coroutine
 from contextvars import Context
 from typing import Any, TypeVar, final
 from typing_extensions import Self
@@ -22,8 +22,10 @@ if sys.version_info >= (3, 11):
         def __exit__(self, exc_type: Unused, exc_val: Unused, exc_tb: Unused) -> None: ...
         def close(self) -> None: ...
         def get_loop(self) -> AbstractEventLoop: ...
-        def run(self, coro: Coroutine[Any, Any, _T], *, context: Context | None = None) -> _T: ...
-
+        if sys.version_info >= (3, 14):
+            def run(self, coro: Awaitable[_T], *, context: Context | None = None) -> _T: ...
+        else:
+            def run(self, coro: Coroutine[Any, Any, _T], *, context: Context | None = None) -> _T: ...
 if sys.version_info >= (3, 12):
     def run(
         main: Coroutine[Any, Any, _T], *, debug: bool | None = None, loop_factory: Callable[[], AbstractEventLoop] | None = None