Merge pull request #780 from scalecube/update-cluster-2.6.0-rc7

Updated cluster to 2.6.0-RC7

Author: artem-v

pom.xml

@@ -23,7 +23,7 @@
 
   <properties>
     <jackson.version>2.11.0</jackson.version>
-    <scalecube-cluster.version>2.6.0-RC5</scalecube-cluster.version>
+    <scalecube-cluster.version>2.6.0-RC7</scalecube-cluster.version>
     <scalecube-commons.version>1.0.7</scalecube-commons.version>
     <scalecube-benchmarks.version>1.2.2</scalecube-benchmarks.version>
     <scalecube-config.version>0.4.4</scalecube-config.version>