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)

---
updated-dependencies:
- dependency-name: junit:junit
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -65,7 +65,7 @@ limitations under the License.
         <jackson.version>2.12.3</jackson.version>
         <javacc-maven-plugin.version>2.6</javacc-maven-plugin.version>
         <jetty.version>9.4.31.v20200723</jetty.version>
-        <junit.version>4.12</junit.version>
+        <junit.version>4.13.1</junit.version>
         <kafka.scala.version>2.13</kafka.scala.version>
         <kafka.version>2.8.0</kafka.version>
         <kcache.version>3.4.4</kcache.version>