[3.14] gh-146615: Fix format specifiers in extension modules (GH-146617)

(cherry picked from commit 1c396e1)

Co-authored-by: sunmy2019 <59365878+sunmy2019@users.noreply.github.com>

Author: sunmy2019

Modules/_asynciomodule.c

@@ -2255,7 +2255,7 @@ enter_task(PyObject *loop, PyObject *task)
             PyExc_RuntimeError,
             "Cannot enter into task %R while another " \
             "task %R is being executed.",
-            task, ts->asyncio_running_task, NULL);
+            task, ts->asyncio_running_task);
         return -1;
     }
 
@@ -2278,7 +2278,7 @@ leave_task(PyObject *loop, PyObject *task)
             PyExc_RuntimeError,
             "Invalid attempt to leave task %R while " \
             "task %R is entered.",
-            task, ts->asyncio_running_task ? ts->asyncio_running_task : Py_None, NULL);
+            task, ts->asyncio_running_task ? ts->asyncio_running_task : Py_None);
         return -1;
     }
     Py_CLEAR(ts->asyncio_running_task);
@@ -2343,7 +2343,7 @@ _asyncio_Task___init___impl(TaskObj *self, PyObject *coro, PyObject *loop,
         self->task_log_destroy_pending = 0;
         PyErr_Format(PyExc_TypeError,
                      "a coroutine was expected, got %R",
-                     coro, NULL);
+                     coro);
         return -1;
     }