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>

pom.xml

@@ -62,7 +62,7 @@
 		<slf4j.version>1.8.0-beta4</slf4j.version>
 		<log4j.version>2.16.0</log4j.version>
 
-		<junit.version>4.13</junit.version>
+		<junit.version>4.13.1</junit.version>
 		<spring-boot.version>2.2.1.RELEASE</spring-boot.version>
 
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