Bump junit-bom from 5.9.2 to 5.9.3

Bumps [junit-bom](https://github.com/junit-team/junit5) from 5.9.2 to 5.9.3.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.9.2...r5.9.3)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -251,7 +251,7 @@
     <project.build.outputTimestamp>2023-03-18T13:18:38Z</project.build.outputTimestamp>
     <!-- mono-module doesn't require site:stage for scm-publish -->
     <scmpublish.content>${project.reporting.outputDirectory}</scmpublish.content>
-    <junit5.version>5.9.2</junit5.version>
+    <junit5.version>5.9.3</junit5.version>
     <!-- 10.x requires Java 11 -->
     <checkstyle.version>9.3</checkstyle.version>
     <!-- configuration for checkstyle to use with spotless -->