Skip the test for PyModule_Create2 & PyModule_FromDefAndSpec2

These aren't exported on some platforms.
All the others should still be tested, though, to make sure
they don't disappear.

Lib/test/test_stable_abi_ctypes.py

@@ -393,9 +393,7 @@ def test_available_symbols(self):
     "PyModule_AddObjectRef",
     "PyModule_AddStringConstant",
     "PyModule_AddType",
-    "PyModule_Create2",
     "PyModule_ExecDef",
-    "PyModule_FromDefAndSpec2",
     "PyModule_GetDef",
     "PyModule_GetDict",
     "PyModule_GetFilename",

Tools/scripts/stable_abi.py

@@ -286,6 +286,12 @@ def test_available_symbols(self):
         include_abi_only=True,
         ifdef=set())
     for item in items:
+        if item.name in (
+                # Some symbols aren't exported on all platforms.
+                # This is a bug: https://bugs.python.org/issue44133
+                'PyModule_Create2', 'PyModule_FromDefAndSpec2',
+            ):
+            continue
         write(f'    "{item.name}",')
     write(")")