Update manage-elastic-stack-versions.md

Author: beiske

deploy-manage/deploy/cloud-enterprise/manage-elastic-stack-versions.md

@@ -37,7 +37,7 @@ $$$ece-elastic-stack-stackpacks-recent$$$
 
 | Stack pack download link | Minimum required ECE version |
 | --- | --- |
-| [{{es}}, {{kib}}, and APM stack pack: 9.0.4](https://download.elastic.co/cloud-enterprise/versions/9.0.4.zip) | ECE 4.0.0 |
+| [{{es}}, {{kib}}, and APM stack pack: 9.1.1](https://download.elastic.co/cloud-enterprise/versions/9.1.1.zip) | ECE 4.0.0 |
 | [{{es}}, {{kib}}, APM, and Enterprise Search stack pack: 8.18.4](https://download.elastic.co/cloud-enterprise/versions/8.18.4.zip) | ECE 3.0.0<br>(+ Docker 20.10.10+ required for 8.16+) |
 | [{{es}}, {{kib}}, APM, and Enterprise Search stack pack: 7.17.29](https://download.elastic.co/cloud-enterprise/versions/7.17.29.zip) | ECE 2.2.2 |
 | [{{es}}, {{kib}}, and APM stack pack: 6.8.23](https://download.elastic.co/cloud-enterprise/versions/6.8.23.zip) | ECE 1.1.4 |