[networkx] Correct argument type for from_nested_tuple (#14218)

Author: AckslD

stubs/networkx/networkx/algorithms/tree/coding.pyi

@@ -12,7 +12,7 @@ class NotATree(NetworkXException): ...
 @_dispatchable
 def to_nested_tuple(T: Graph[_Node], root: _Node, canonical_form: bool = False): ...
 @_dispatchable
-def from_nested_tuple(sequence: tuple[Incomplete], sensible_relabeling: bool = False): ...
+def from_nested_tuple(sequence: tuple[Incomplete, ...], sensible_relabeling: bool = False): ...
 @_dispatchable
 def to_prufer_sequence(T: Graph[_Node]): ...
 @_dispatchable