DOC: fix ES01 for pandas.Series.array (pandas-dev#60837)

Author: tuhinsharma121

pandas/core/base.py

@@ -506,6 +506,11 @@ def array(self) -> ExtensionArray:
         """
         The ExtensionArray of the data backing this Series or Index.
 
+        This property provides direct access to the underlying array data of a
+        Series or Index without requiring conversion to a NumPy array. It
+        returns an ExtensionArray, which is the native storage format for
+        pandas extension dtypes.
+
         Returns
         -------
         ExtensionArray