tkinter: Use a TypeVarTuple in .after() and .after_idle() methods (#11014)

test_cases/stdlib/check_tkinter.py

@@ -12,3 +12,11 @@ def custom_handler(exc: type[BaseException], val: BaseException, tb: types.Trace
 root = tkinter.Tk()
 root.report_callback_exception = traceback.print_exception
 root.report_callback_exception = custom_handler
+
+
+def foo(x: int, y: str) -> None:
+    pass
+
+
+root.after(1000, foo, 10, "lol")
+root.after(1000, foo, 10, 10)  # type: ignore