adding version 9.0.8 (elastic#3352)

adds `9.0.8` to the list of ECE stackpacks

rel:
elastic/cloud#147642

Author: nadirhamza1

deploy-manage/deploy/cloud-enterprise/ece-install-offline-images.md

@@ -92,6 +92,11 @@ Enterprise Search is not available in versions 9.0+.
 | docker.elastic.co/cloud-release/kibana-cloud:9.1.1 | ECE 4.0.0 |
 | docker.elastic.co/cloud-release/elastic-agent-cloud:9.1.1 | ECE 4.0.0 |
 |  |  |
+| [{{es}}, {{kib}}, APM, and Enterprise Search stack pack: 9.0.8](https://download.elastic.co/cloud-enterprise/versions/9.0.8.zip) | ECE 4.0.0 |
+| docker.elastic.co/cloud-release/elasticsearch-cloud-ess:9.0.8 | ECE 4.0.0 |
+| docker.elastic.co/cloud-release/kibana-cloud:9.0.8 | ECE 4.0.0 |
+| docker.elastic.co/cloud-release/elastic-agent-cloud:9.0.8 | ECE 4.0.0 |
+|  |  |
 | [{{es}}, {{kib}}, APM, and Enterprise Search stack pack: 9.0.7](https://download.elastic.co/cloud-enterprise/versions/9.0.7.zip) | ECE 4.0.0 |
 | docker.elastic.co/cloud-release/elasticsearch-cloud-ess:9.0.7 | ECE 4.0.0 |
 | docker.elastic.co/cloud-release/kibana-cloud:9.0.7 | ECE 4.0.0 |

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

@@ -53,6 +53,7 @@ Following is the full list of available packs containing {{stack}} versions. Not
 | [{{es}}, {{kib}}, and APM stack pack: 9.1.3](https://download.elastic.co/cloud-enterprise/versions/9.1.3.zip) | ECE 4.0.0 |
 | [{{es}}, {{kib}}, and APM stack pack: 9.1.2](https://download.elastic.co/cloud-enterprise/versions/9.1.2.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}}, and APM stack pack: 9.0.8](https://download.elastic.co/cloud-enterprise/versions/9.0.8.zip) | ECE 4.0.0 |
 | [{{es}}, {{kib}}, and APM stack pack: 9.0.7](https://download.elastic.co/cloud-enterprise/versions/9.0.7.zip) | ECE 4.0.0 |
 | [{{es}}, {{kib}}, and APM stack pack: 9.0.6](https://download.elastic.co/cloud-enterprise/versions/9.0.6.zip) | ECE 4.0.0 |
 | [{{es}}, {{kib}}, and APM stack pack: 9.0.5](https://download.elastic.co/cloud-enterprise/versions/9.0.5.zip) | ECE 4.0.0 |