mention author_id issue filter support

Author: maxtepkeev

CHANGELOG.rst

@@ -35,6 +35,10 @@ Changelog
 - *Pro Edition:* RedmineUP CrmQuery resource ``deals`` and ``contacts`` relation attributes didn't work
 - *Pro Edition:* RedmineUP DealStatus resource ``deals`` relation attribute didn't work
 
+**Documentation**:
+
+- Mentioned support for ``author_id`` in Issue's resource filter operation
+
 2.4.0 (2023-01-18)
 ++++++++++++++++++
 

docs/resources/issue.rst

@@ -236,6 +236,7 @@ filter
     - id - status id
 
    :type status_id: int or string
+   :param int author_id: (optional). Get issues which are authored by the given user id.
    :param int assigned_to_id: (optional). Get issues which are assigned to the given user id.
     To get the issues assigned to the user whose credentials were used to access the API pass ``me``
     as a string.