Upgrade to Atomix 2.0.19

Change-Id: I1a8c9ec2a8c79c27755988e4e585a597f3cc60c6
diff --git a/core/store/primitives/pom.xml b/core/store/primitives/pom.xml
index 844267b..88ef641 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>2.0.18</version>
+            <version>2.0.19</version>
         </dependency>
 
         <dependency>