Upgrade black version (#7089)

stdlib/venv/__init__.pyi

@@ -35,6 +35,7 @@ class EnvBuilder:
             with_pip: bool = ...,
             prompt: str | None = ...,
         ) -> None: ...
+
     def create(self, env_dir: StrOrBytesPath) -> None: ...
     def clear_directory(self, path: StrOrBytesPath) -> None: ...  # undocumented
     def ensure_directories(self, env_dir: StrOrBytesPath) -> SimpleNamespace: ...