Refactor multimap streams to avoid blocking iteration on initialization

Change-Id: I6a357b37e85808972267ef2daf5328fd5035aac4
diff --git a/core/store/primitives/pom.xml b/core/store/primitives/pom.xml
index cd9e6ef..0d15ddc 100644
--- a/core/store/primitives/pom.xml
+++ b/core/store/primitives/pom.xml
@@ -69,7 +69,7 @@
         <dependency>
             <groupId>io.atomix</groupId>
             <artifactId>atomix</artifactId>
-            <version>2.0.22</version>
+            <version>2.0.23</version>
         </dependency>
 
         <dependency>