fix(deps): update dependency io.lettuce:lettuce-core to v6.8.1.release

Author: renovate[bot]

pom.xml

@@ -34,7 +34,7 @@
     <sonar.projectKey>dropwizard_dropwizard-redis</sonar.projectKey>
 
     <brave.version>6.3.0</brave.version>
-    <lettuce.version>6.7.1.RELEASE</lettuce.version>
+    <lettuce.version>6.8.1.RELEASE</lettuce.version>
     <redis-mock.version>1.1.11</redis-mock.version>
   </properties>