gh-123448: Move _PyNoDefault_Type to the static types array (#123449)

Author: ZeroIntensity

Diff for: Misc/NEWS.d/next/Library/2024-08-28-20-08-19.gh-issue-123448.tItJlp.rst

@@ -0,0 +1,2 @@
+Fixed memory leak of :class:`typing.NoDefault` by moving it to the static types
+array.

Diff for: Modules/_typingmodule.c

@@ -63,9 +63,6 @@ _typing_exec(PyObject *m)
     if (PyModule_AddObjectRef(m, "TypeAliasType", (PyObject *)&_PyTypeAlias_Type) < 0) {
         return -1;
     }
-    if (PyType_Ready(&_PyNoDefault_Type) < 0) {
-        return -1;
-    }
     if (PyModule_AddObjectRef(m, "NoDefault", (PyObject *)&_Py_NoDefaultStruct) < 0) {
         return -1;
     }

Diff for: Objects/object.c

@@ -2347,6 +2347,7 @@ static PyTypeObject* static_types[] = {
     &_PyWeakref_ProxyType,
     &_PyWeakref_RefType,
     &_PyTypeAlias_Type,
+    &_PyNoDefault_Type,
 
     // subclasses: _PyTypes_FiniTypes() deallocates them before their base
     // class