add connector release notes for 9.1.7 (#137800)

Author: charlotte-hoblik

docs/reference/search-connectors/release-notes.md

@@ -13,6 +13,10 @@ If you are an Enterprise Search user and want to upgrade to Elastic 9.0, refer t
 It includes detailed steps, tooling, and resources to help you transition to supported alternatives in 9.x, such as Elasticsearch, the Open Web Crawler, and self-managed connectors.
 :::
 
+
+## 9.1.7 [connectors-9.1.7-release-notes]
+There are no new features, enhancements, fixes, known issues, or deprecations associated with this release.
+
 ## 9.1.6 [connectors-9.1.6-release-notes]
 
 ### Features and enhancements [connectors-9.1.6-features-enhancements]