Bump activemq-core in /testing/itest/async-interactions

Bumps activemq-core from 5.2.0 to 5.6.0.

---
updated-dependencies:
- dependency-name: org.apache.activemq:activemq-core
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/testing/itest/async-interactions/pom.xml b/testing/itest/async-interactions/pom.xml
index da98523..7aa34f8 100644
--- a/testing/itest/async-interactions/pom.xml
+++ b/testing/itest/async-interactions/pom.xml
@@ -47,7 +47,7 @@
         <dependency>
             <groupId>org.apache.activemq</groupId>
             <artifactId>activemq-core</artifactId>
-            <version>5.2.0</version>
+            <version>5.6.0</version>
             <scope>runtime</scope>
         </dependency>