Fix changelog formatting for Elasticsearch support

Author: coutoPL

changelog.md

@@ -2,7 +2,7 @@
 
 ### (2025-09-03) What's new in **ROR 1.66.1**
 * **🚀New** (KBN) 9.1.4, 9.0.7, 8.19.4, 8.18.7 support
-* **🚀New** (ES) 9.1.5, 9.1.4, 9.0.8, 9.0.7, 8.19.5, 8.19.4, 8.18.8, 8.18.7 support
+* **🚀New** (ES) 9.1.5, 9.1.4, 9.0.7, 8.19.5, 8.19.4, 8.18.8, 8.18.7 support
 * **🐞Fix** (ES) [Patching issue in Elasticsearch 9.x, 8.19.x, and 8.18.x that caused startup failures on Java 17](https://forum.readonlyrest.com/t/ror-1-65-1-java-17/2841)
 
 ### (2025-08-28) What's new in **ROR 1.66.0**