Add __all__ part 2 (#13719)

---------

Co-authored-by: Avasam <samuel.06@hotmail.com>

stubs/editdistance/@tests/stubtest_allowlist.txt

@@ -1,5 +1,2 @@
-# TODO: missing from stub
-editdistance.__all__
-
 # Not public API -- the submodule is an implementation detail due to it being a cythonized package
 editdistance.bycython

stubs/editdistance/editdistance/__init__.pyi

@@ -4,3 +4,5 @@ def eval(a: Iterable[Hashable], b: Iterable[Hashable]) -> int: ...
 def distance(a: Iterable[Hashable], b: Iterable[Hashable]) -> int: ...
 def eval_criterion(a: Iterable[Hashable], b: Iterable[Hashable], thr: int) -> bool: ...
 def distance_le_than(a: Iterable[Hashable], b: Iterable[Hashable], thr: int) -> bool: ...
+
+__all__ = ("eval", "distance", "eval_criterion", "distance_le_than")