Bump junit from 4.12 to 4.13

Bumps [junit](https://github.com/junit-team/junit4) from 4.12 to 4.13.
- [Release notes](https://github.com/junit-team/junit4/releases)
- [Changelog](https://github.com/junit-team/junit4/blob/master/doc/ReleaseNotes4.12.md)
- [Commits](https://github.com/junit-team/junit4/compare/r4.12...r4.13)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
diff --git a/pom.xml b/pom.xml
index 3bc04b2..54d5a36 100644
--- a/pom.xml
+++ b/pom.xml
@@ -136,7 +136,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.12</version>
+      <version>4.13</version>
       <scope>test</scope>
     </dependency>
     <dependency>