Merge pull request #871 from apache/dependabot/maven/activemq.version-6.1.6

Bump activemq.version from 6.1.5 to 6.1.6

Author: cortlepp

pom.xml

@@ -501,7 +501,7 @@
         <jaxws.api.version>4.0.2</jaxws.api.version>
         <maven-plugin-tools.version>3.15.1</maven-plugin-tools.version>
         <maven-archetype.version>3.3.1</maven-archetype.version>
-        <activemq.version>6.1.5</activemq.version>
+        <activemq.version>6.1.6</activemq.version>
         <surefire.version>3.5.2</surefire.version>
         <!-- This variable is used in some Xdocs and is substituted using Velocity. Note that
              we can't use the project.version variable directly because of the dot. See