Update dependency io.zipkin.brave:brave to v6 (#319)

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

pom.xml

@@ -33,7 +33,7 @@
   <properties>
     <sonar.projectKey>dropwizard_dropwizard-redis</sonar.projectKey>
 
-    <brave.version>5.18.1</brave.version>
+    <brave.version>6.0.1</brave.version>
     <lettuce.version>6.3.1.RELEASE</lettuce.version>
     <redis-mock.version>1.1.0</redis-mock.version>
   </properties>