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](junit-team/junit4@r4.12...r4.13.1)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -37,7 +37,7 @@
     <jaxb.version>2.3.3</jaxb.version>
     <jwt.version>0.9.1</jwt.version>
     <joda-time.version>2.10.6</joda-time.version>
-    <junit.version>4.12</junit.version>
+    <junit.version>4.13.1</junit.version>
     <mockito.version>3.2.4</mockito.version>
   </properties>