setuptools: fix stubtest (#8540)

Fixes #8539

stubs/setuptools/setuptools/command/egg_info.pyi

@@ -42,6 +42,7 @@ class egg_info(InfoCommon, Command):
     def check_broken_egg_info(self) -> None: ...
 
 class FileList(_FileList):
+    def __init__(self, warn=..., debug_print=..., ignore_egg_info_dir: bool = ...) -> None: ...
     def process_template_line(self, line) -> None: ...
     def include(self, pattern): ...
     def exclude(self, pattern): ...