Bump junit from 4.12 to 4.13.1

Bumps [junit](https://github.com/junit-team/junit4) from 4.12 to 4.13.1.
- [Release notes](https://github.com/junit-team/junit4/releases)
- [Changelog](https://github.com/junit-team/junit4/blob/main/doc/ReleaseNotes4.12.md)
- [Commits](https://github.com/junit-team/junit4/compare/r4.12...r4.13.1)

---
updated-dependencies:
- dependency-name: junit:junit
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index bd7e83a..ed9116c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -39,7 +39,7 @@
 
     <!-- Dependency Versions for this Project -->
     <ant-version>1.9.6</ant-version>
-    <junit-version>4.12</junit-version>
+    <junit-version>4.13.1</junit-version>
     <slf4j-version>1.7.13</slf4j-version>
     <activemq-version>5.12.1</activemq-version>
     <jetty-version>8.1.15.v20140411</jetty-version>