[DOCS] Fix applies_to in elastic-managed-connectors.md (#131384)

Author: leemthompo

docs/reference/search-connectors/elastic-managed-connectors.md

@@ -1,6 +1,8 @@
 ---
 applies_to:
-  ess: removed 9.0.0
+  stack: unavailable 9.0, preview 9.1
+  deployment:
+    ess: unavailable
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/es-native-connectors.html
 ---
@@ -11,4 +13,4 @@ mapped_pages:
 As of Elastic 9.0, managed connectors on Elastic Cloud Hosted are no longer available. All connectors must be [self-managed](/reference/search-connectors/self-managed-connectors.md).
 
 Refer to the [8.18 documentation](https://www.elastic.co/guide/en/elasticsearch/reference/8.18/es-native-connectors.html) if you are using an older version of Elastic.
-::::
+::::