Bump junit from 4.12 to 4.13.1 (#5)

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>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -20,7 +20,7 @@
 
 	<properties>
 		<spring.version>4.3.7.RELEASE</spring.version>
-		<junit.version>4.12</junit.version>
+		<junit.version>4.13.1</junit.version>
 		<poi.version>3.10.1</poi.version>
 		<selenium.version>3.3.1</selenium.version>
 		<aspectj.version>1.8.7</aspectj.version>