[ONOS-6401] Bump Atomix dependency version to 1.0.8 for performance regression fixes

Change-Id: I925e421f752e97b9aefcb651f72e856fd5c91741
diff --git a/core/store/primitives/pom.xml b/core/store/primitives/pom.xml
index b1c0a61..eabd455 100644
--- a/core/store/primitives/pom.xml
+++ b/core/store/primitives/pom.xml
@@ -70,18 +70,18 @@
         <dependency>
             <groupId>io.atomix</groupId>
             <artifactId>atomix</artifactId>
-            <version>1.0.6</version>
+            <version>1.0.8</version>
         </dependency>
 
         <dependency>
             <groupId>io.atomix.catalyst</groupId>
             <artifactId>catalyst-netty</artifactId>
-            <version>1.2.0</version>
+            <version>1.2.1</version>
         </dependency>
         <dependency>
             <groupId>io.atomix.catalyst</groupId>
             <artifactId>catalyst-transport</artifactId>
-            <version>1.2.0</version>
+            <version>1.2.1</version>
         </dependency>
         <dependency>
             <groupId>org.onosproject</groupId>