<!--
Thank you for submitting this pull request.

Please provide all relevant information as outlined below. Feel free to delete
a section if that type of information is not available.

Any changes to school-timetabling must be synced across its quarkus, kotlin-quarkus, and spring-boot variants, 
and also the external https://github.com/quarkusio/quarkus-quickstarts/tree/master/optaplanner-quickstart.
-->

### JIRA

<!-- Add a JIRA ticket link if it exists. -->
<!-- Example: https://issues.redhat.com/browse/PLANNER-1234 -->

### Referenced pull requests

<!-- Add URLs of all referenced pull requests if they exist. This is only required when making
changes that span multiple kiegroup repositories and depend on each other. -->
<!-- Example:
* https://github.com/kiegroup/droolsjbpm-build-bootstrap/pull/1234
* https://github.com/kiegroup/drools/pull/3000
* https://github.com/kiegroup/optaplanner/pull/899
* etc.
-->