[Automation] Update elastic stack version to 8.5.3-a46b25ec for testing (#2139)

Co-authored-by: apmmachine <[email protected]>

Author: apmmachine

dev-tools/integration/.env

@@ -1,4 +1,4 @@
-ELASTICSEARCH_VERSION=8.5.3-770e9287-SNAPSHOT
+ELASTICSEARCH_VERSION=8.5.3-a46b25ec-SNAPSHOT
 ELASTICSEARCH_USERNAME=elastic
 ELASTICSEARCH_PASSWORD=changeme
 TEST_ELASTICSEARCH_HOSTS=localhost:9200