[DOCS] Remove links to master (#4808)

Author: lcawl

docs/en/serverless/cases/manage-cases-settings.asciidoc

@@ -76,7 +76,7 @@ image::images/observability-cases-add-connector.png[Add a connector to send case
 ** {kibana-ref}/servicenow-action-type.html[{sn-itsm} connector]
 ** {kibana-ref}/servicenow-sir-action-type.html[{sn-sir} connector]
 ** {kibana-ref}/swimlane-action-type.html[{swimlane} connector]
-** https://www.elastic.co/guide/en/kibana/master/thehive-action-type.html[TheHive connector]
+** {kibana-ref}/thehive-action-type.html[TheHive connector]
 ** {kibana-ref}/cases-webhook-action-type.html[{webhook-cm} connector]
 . Click **Save**.