docs: add missing Sphinx annotation

Author: kgryte

src/array_api_stubs/_2022_12/array_object.py

@@ -393,6 +393,9 @@ def __eq__(self: array, other: Union[int, float, complex, bool, array], /) -> ar
 
         .. note::
            Element-wise results, including special cases, must equal the results returned by the equivalent element-wise function :func:`~array_api.equal`.
+
+        .. versionchanged:: 2022.12
+            Added complex data type support.
         """
 
     def __float__(self: array, /) -> float:

src/array_api_stubs/_2023_12/array_object.py

@@ -513,6 +513,9 @@ def __eq__(self: array, other: Union[int, float, complex, bool, array], /) -> ar
 
         .. note::
            Element-wise results, including special cases, must equal the results returned by the equivalent element-wise function :func:`~array_api.equal`.
+
+        .. versionchanged:: 2022.12
+            Added complex data type support.
         """
 
     def __float__(self: array, /) -> float:

src/array_api_stubs/_draft/array_object.py

@@ -515,6 +515,9 @@ def __eq__(self: array, other: Union[int, float, complex, bool, array], /) -> ar
 
         -   Element-wise results, including special cases, must equal the results returned by the equivalent element-wise function :func:`~array_api.equal`.
         -   Comparison of arrays without a corresponding promotable data type (see :ref:`type-promotion`) is undefined and thus implementation-dependent.
+
+        .. versionchanged:: 2022.12
+            Added complex data type support.
         """
 
     def __float__(self: array, /) -> float: