Merge branch 'release/3.8' of https://github.com/couchbase/docs-sdk-java into release/3.8

Author: RichardSmedley

modules/concept-docs/pages/durability-replication-failure-considerations.adoc

@@ -1,6 +1,6 @@
 = Failure Considerations
 :description: Data durability refers to the fault tolerance and persistence of data in the face of software or hardware failure.
-:page-toclevels: 2
+:page-toclevels: 3
 // :page-aliases: ROOT:failure-considerations.adoc,ROOT:durability.adoc,ROOT:enhanced-durability.adoc,7.6@server:developer-guide:durability.adoc
 
 include::project-docs:partial$attributes.adoc[]