Bump com.couchbase.client:java-client from 3.4.7 to 3.4.8

Bumps [com.couchbase.client:java-client](https://github.com/couchbase/couchbase-jvm-clients) from 3.4.7 to 3.4.8.
- [Commits](couchbase/couchbase-jvm-clients@java-client-3.4.7...java-client-3.4.8)

---
updated-dependencies:
- dependency-name: com.couchbase.client:java-client
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

embedded-couchbase/pom.xml

@@ -14,7 +14,7 @@
     <artifactId>embedded-couchbase</artifactId>
 
     <properties>
-        <couchbase-java-client-3.x.version>3.4.7</couchbase-java-client-3.x.version>
+        <couchbase-java-client-3.x.version>3.4.8</couchbase-java-client-3.x.version>
         <okhttp.version>4.11.0</okhttp.version>
     </properties>