docs: update changelog on couchbase

Signed-off-by: Otavio Santana <[email protected]>

Author: otaviojava

CHANGELOG.adoc

@@ -12,6 +12,7 @@ and this project adheres to https://semver.org/spec/v2.0.0.html[Semantic Version
 
 - Update ArangoDB driver to 7.22.0
 - Update Apache Cassandra driver to 4.19.0
+- Update Couchbase driver to 3.9.0
 
 === Added