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

@@ -19,7 +19,7 @@
 
  <!-- lib versions -->
  <WxJava.version>3.9.0</WxJava.version>
- <junit.version>4.12</junit.version>
+ <junit.version>4.13.1</junit.version>
  <slf4j.version>1.7.21</slf4j.version>
  <spring.version>5.2.8.RELEASE</spring.version>
  <freemarker.version>2.3.23</freemarker.version>