Update dependency io.lettuce:lettuce-core to v6.4.0.RELEASE (#376)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pom.xml

@@ -34,7 +34,7 @@
     <sonar.projectKey>dropwizard_dropwizard-redis</sonar.projectKey>
 
     <brave.version>6.0.3</brave.version>
-    <lettuce.version>6.3.2.RELEASE</lettuce.version>
+    <lettuce.version>6.4.0.RELEASE</lettuce.version>
     <redis-mock.version>1.1.3</redis-mock.version>
   </properties>