[networkx] Correct argument type for from_nested_tuple

Currently the type hint specifies a tuple of length one with an
arbitrary element. However the tuple passed may be of any length. It is
actually an arbitrary nested tuple of tuples but not sure how to
annotate that or if it's necessary.

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