Bump junit from 4.11 to 4.13.1 in /messaging-test

Bumps [junit](https://github.com/junit-team/junit4) from 4.11 to 4.13.1.
- [Release notes](https://github.com/junit-team/junit4/releases)
- [Changelog](https://github.com/junit-team/junit4/blob/main/doc/ReleaseNotes4.11.md)
- [Commits](junit-team/junit4@r4.11...r4.13.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

messaging-test/pom.xml

@@ -14,7 +14,7 @@
         <code.generator.class>pt.ist.fenixframework.backend.jvstm.JVSTMCodeGenerator</code.generator.class>
         <version.ff>2.7.0</version.ff>
         <version.spring>4.2.5.RELEASE</version.spring>
-        <version.junit.junit>4.11</version.junit.junit>
+        <version.junit.junit>4.13.1</version.junit.junit>
         <version.jersey>2.10.1</version.jersey>
     </properties>