Skip segfaulting PyQt6 test on 3.12

tests/brain/test_qt.py

@@ -8,13 +8,16 @@
 
 from astroid import Uninferable, extract_node
 from astroid.bases import UnboundMethod
+from astroid.const import PY312_PLUS
 from astroid.manager import AstroidManager
 from astroid.nodes import FunctionDef
 
 HAS_PYQT6 = find_spec("PyQt6")
 
 
 @pytest.mark.skipif(HAS_PYQT6 is None, reason="These tests require the PyQt6 library.")
+# TODO: enable for Python 3.13 (or as soon as PyQt6 release is compatible)
+@pytest.mark.skipif(PY312_PLUS, reason="This test was segfaulting with Python 3.12.")
 class TestBrainQt:
     AstroidManager.brain["extension_package_whitelist"] = {"PyQt6"}