Remove x-unstable property from security findings Jira issues endpoints (#3111)

Co-authored-by: ci.datadog-api-spec <packages@datadoghq.com> d70f765

Author: api-clients-generation-pipeline[bot]

datadog_api_client.v2.model.html

@@ -43755,7 +43755,7 @@ <h2 id="submodules">Submodules<a class="headerlink" href="#submodules" title="Li
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
 <dd class="field-odd"><ul class="simple">
-<li><p><strong>assignee_id</strong> (<em>str</em><em>, </em><em>optional</em>) – Unique identifier of the user assigned to the Jira issue.</p></li>
+<li><p><strong>assignee_id</strong> (<em>str</em><em>, </em><em>optional</em>) – Unique identifier of the Datadog user assigned to the Jira issue.</p></li>
 <li><p><strong>description</strong> (<em>str</em><em>, </em><em>optional</em>) – Description of the Jira issue. If not provided, the description will be automatically generated.</p></li>
 <li><p><strong>fields</strong> (<em>{str:</em><em> (</em><em>bool</em><em>, </em><em>date</em><em>, </em><em>datetime</em><em>, </em><em>dict</em><em>, </em><em>float</em><em>, </em><em>int</em><em>, </em><em>list</em><em>, </em><em>str</em><em>, </em><em>UUID</em><em>, </em><em>none_type</em><em>,</em><em>)</em><em>}</em><em>, </em><em>optional</em>) – Custom fields of the Jira issue to create. For the list of available fields, see <a class="reference external" href="https://developer.atlassian.com/cloud/jira/platform/rest/v2/api-group-issues/#api-rest-api-2-issue-createmeta-projectidorkey-issuetypes-issuetypeid-get">Jira documentation</a>.</p></li>
 <li><p><strong>priority</strong> (<a class="reference internal" href="#datadog_api_client.v2.model.case_priority.CasePriority" title="datadog_api_client.v2.model.case_priority.CasePriority"><em>CasePriority</em></a><em>, </em><em>optional</em>) – Case priority</p></li>