DOC: Update warning in Index.values docstring to clarify index modification which causes segmentation fault (#61069)

* DOC: Update warning in Index.values docstring to clarify index modification issues (#60954)

* DOC: Update warning in Index.values docstring to clarify index modification issues (#60954) with changes

* Update pandas/core/indexes/base.py

Co-authored-by: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>

* DOC : Fixing the whitespace which was causing error

* Fixed docstring validation and formatting issues

---------

Co-authored-by: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>

Author: Manju080

pandas/core/indexes/base.py

@@ -4922,6 +4922,10 @@ def values(self) -> ArrayLike:
            :meth:`Index.to_numpy`, depending on whether you need
            a reference to the underlying data or a NumPy array.
 
+        .. versionchanged:: 3.0.0
+
+           The returned array is read-only.
+
         Returns
         -------
         array: numpy.ndarray or ExtensionArray