Adding more tags to the Deploy and manage section (#3852)

Part of [#1198](#1198)

Adding the Serverless unavailable tags, as per [Elasticsearch
table](https://www.elastic.co/docs/deploy-manage/deploy/elastic-cloud/differences-from-other-elasticsearch-offerings#elasticsearch)
in the comparison doc.

Author: yetanothertw

deploy-manage/tools/cross-cluster-replication.md

@@ -2,11 +2,8 @@
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/xpack-ccr.html
 applies_to:
-  deployment:
-    eck:
-    ess:
-    ece:
-    self:
+  stack: ga
+  serverless: unavailable
 products:
   - id: elasticsearch
 ---