Restore stubtest 0.930 (#6663)

stdlib/venv/__init__.pyi

@@ -3,6 +3,9 @@ from _typeshed import StrOrBytesPath
 from types import SimpleNamespace
 from typing import Sequence
 
+if sys.version_info >= (3, 9):
+    CORE_VENV_DEPS: tuple[str, ...]
+
 class EnvBuilder:
     system_site_packages: bool
     clear: bool