Add Connectors release notes for 8.17.1

Author: charlotte-hoblik

docs/reference/connector/docs/connectors-release-notes.asciidoc

@@ -9,6 +9,13 @@
 Prior to version *8.16.0*, the connector release notes were published as part of the {enterprise-search-ref}/changelog.html[Enterprise Search documentation].
 ====
 
+[discrete]
+[[es-connectors-release-notes-8-17-1]]
+=== 8.17.1
+
+* Fixed an issue where full syncs could delete newly ingested documents if the document ID from the third-party source was numeric.
+See https://github.com/elastic/connectors/pull/3031[*PR 3031*]
+
 [discrete]
 [[es-connectors-release-notes-8-17-0]]
 === 8.17.0