Bump junit from 4.12 to 4.13.1 in /ollie-targetplatform

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] <[email protected]>

Author: dependabot[bot]

ollie-targetplatform/pom.xml

@@ -21,7 +21,7 @@
     <javax.servlet.version>3.1.0</javax.servlet.version>
     <jetty.version>9.4.20.v20190813</jetty.version>
     <jooq.version>3.11.3</jooq.version>
-    <junit.version>4.12</junit.version>
+    <junit.version>4.13.1</junit.version>
     <liquibase.version>3.5.1</liquibase.version> <!-- the newer versions (up to 3.5.3) have incorrect mappings for PG's blob/bytea -->
     <logback.version>1.2.3</logback.version>
     <metrics.version>3.2.2</metrics.version>