chore: Remove closure factory

This is not needed to do, since there is `staticmethod`.

src/gallia/cli/gallia.py

@@ -145,17 +145,11 @@ def parse_and_run(
 
     parser = create_parser(commands)
 
-    def make_f(c: Callable[[], None]) -> Callable[[Any], None]:
-        def f(_: Any) -> None:
-            c()
-
-        return f
-
     if top_level_options is not None:
         for name, (func, help_) in top_level_options.items():
 
             class Action(argparse.Action):
-                f = make_f(func)
+                cmd = staticmethod(func)
 
                 def __call__(
                     self,
@@ -164,7 +158,7 @@ def __call__(
                     values: str | Sequence[Any] | None,
                     option_string: str | None = None,
                 ) -> None:
-                    self.f()
+                    self.cmd()
                     sys.exit(exitcodes.OK)
 
             parser.add_argument(