gh-131229: Temporarily skip test_basic_multiple_interpreters_deleted_no_reset (GH-141552)

This is a temporary band-aid to unblock other PRs.

Co-authored-by: Kumar Aditya <kumaraditya@python.org>

Lib/test/test_import/__init__.py

@@ -3261,6 +3261,7 @@ class SinglephaseInitTests(unittest.TestCase):
         #  * m_copy was copied from interp2 (was from interp1)
         #  * module's global state was updated, not reset
 
+    @unittest.skip("gh-131229: This is suddenly very flaky")
     @no_rerun(reason="rerun not possible; module state is never cleared (see gh-102251)")
     @requires_subinterpreters
     def test_basic_multiple_interpreters_deleted_no_reset(self):