Bump junit from 4.10 to 4.13.1

Bumps [junit](https://github.com/junit-team/junit4) from 4.10 to 4.13.1.
- [Release notes](https://github.com/junit-team/junit4/releases)
- [Changelog](https://github.com/junit-team/junit4/blob/main/doc/ReleaseNotes4.10.md)
- [Commits](https://github.com/junit-team/junit4/compare/r4.10...r4.13.1)

---
updated-dependencies:
- dependency-name: junit:junit
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index ec59640..0ad2cc9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -60,7 +60,7 @@
     <reflectasm.version>1.01</reflectasm.version>
     <guava.version>13.0.1</guava.version>
 
-    <junit.version>4.10</junit.version>
+    <junit.version>4.13.1</junit.version>
 
     <jgroups.version>3.0.4.Final</jgroups.version>
     <spring.version>2.5.6</spring.version>