Bump junit from 4.8.1 to 4.13.1 in /parent

Bumps [junit](https://github.com/junit-team/junit4) from 4.8.1 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@r4.8.1...r4.13.1)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

parent/pom.xml

@@ -31,7 +31,7 @@
         <guava.version>21.0</guava.version>
         <jool.version>0.9.12</jool.version>
         <joda.version>2.9.4</joda.version>
-        <junit.version>4.8.1</junit.version>
+        <junit.version>4.13.1</junit.version>
         <jackson-core.version>2.9.10</jackson-core.version>
         <jackson-databind.version>2.9.10.6</jackson-databind.version>
         <testng.version>6.10</testng.version>