Bump org.apache.activemq:activemq-broker

Bumps [org.apache.activemq:activemq-broker](https://github.com/apache/activemq) from 5.19.1 to 5.19.3.
- [Release notes](https://github.com/apache/activemq/releases)
- [Commits](apache/activemq@activemq-5.19.1...activemq-5.19.3)

---
updated-dependencies:
- dependency-name: org.apache.activemq:activemq-broker
  dependency-version: 5.19.3
  dependency-type: direct:development
...

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Author: dependabot[bot]

qpid-jms-interop-tests/qpid-jms-activemq-tests/pom.xml

@@ -28,7 +28,7 @@
   <description>Tests the JMS client against the ActiveMQ Broker.</description>
   <packaging>jar</packaging>
   <properties>
-    <activemq-version>5.19.1</activemq-version>
+    <activemq-version>5.19.3</activemq-version>
     <jetty-version>9.4.58.v20250814</jetty-version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>