Update changelog for 8.17.0 (#2545)

Author: JoshMock

docs/changelog.asciidoc

@@ -12,6 +12,18 @@
 
 In 8.0, the top-level `body` parameter that was available on all API functions <<remove-body-key,was deprecated>>. In 9.0 this property is completely removed.
 
+[discrete]
+=== 8.17.0
+
+[discrete]
+==== Features
+
+[discrete]
+===== Support for Elasticsearch `v8.17`
+
+You can find all the API changes
+https://www.elastic.co/guide/en/elasticsearch/reference/8.17/release-notes-8.17.0.html[here].
+
 [discrete]
 === 8.16.3