Bump Atomix dependency version to 2.0.6 for ISSU

Change-Id: I521cc74bb5b9d9b1b9932d0a53ce20b82253a02d
diff --git a/core/store/primitives/pom.xml b/core/store/primitives/pom.xml
index 5ef12b1..a661052 100644
--- a/core/store/primitives/pom.xml
+++ b/core/store/primitives/pom.xml
@@ -70,7 +70,7 @@
         <dependency>
             <groupId>io.atomix</groupId>
             <artifactId>atomix</artifactId>
-            <version>2.0.5</version>
+            <version>2.0.6</version>
         </dependency>
 
         <dependency>