[DOCS] Adds 7.17.1 release notes

Author: picandocodigo

docs/release_notes/717.asciidoc

@@ -1,6 +1,13 @@
 [[release_notes_717]]
 === 7.17 Release notes
 
+[discrete]
+[[release_notes_7171]]
+=== 7.17.1 Release notes
+
+- Improves handling of YAML parsing, uses `safe_load` instead of `load` (should only affect Ruby < 3.0)
+- Updates headers setup when using the Manticore adapter. This fixes an issue where the user-agent header was being foverridden even when it was being set on initialization via the transport options. https://github.com/elastic/elasticsearch-ruby/pull/1685[Pull Request], https://github.com/elastic/elasticsearch-ruby/issues/1684[issue].
+
 [discrete]
 [[release_notes_7170]]
 === 7.17.0 Release notes