Deployed code.quarkus does not allow to use java 21

UI of code quarkus instance (https://code-3-8-3-temporary-redhat-00008.apps.ocp-c1.prod.psi.redhat.com/) does not contain an option to choose version 21 of Java. When the app is requested through URI params it fails with Bad request > This Java version is not compatible with this stream ([17]): 21