Bump junit from 4.13 to 4.13.1

Bumps [junit](https://github.com/junit-team/junit4) from 4.13 to 4.13.1.
- [Release notes](https://github.com/junit-team/junit4/releases)
- [Changelog](https://github.com/junit-team/junit4/blob/main/doc/ReleaseNotes4.13.1.md)
- [Commits](junit-team/junit4@r4.13...r4.13.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -59,7 +59,7 @@
     <micrometer.version>1.3.2</micrometer.version>
     <jackson.version>2.10.1</jackson.version>
     <logback.version>1.2.3</logback.version>
-    <junit.version>4.13</junit.version>
+    <junit.version>4.13.1</junit.version>
     <mockito.version>3.3.3</mockito.version>
     <assertj.version>3.15.0</assertj.version>
     <jetty.version>9.4.27.v20200227</jetty.version>