We should use jakartaEE libs, like Quarkus (although they are still in progress for this too).
No javax stuff, no org.jboss.spec stuff, etc.

Inventory of 7.x:

Look for "opta" in this spreadsheet:
https://docs.google.com/spreadsheets/d/1uO4omdrXhLDNE127HiRRvgfJytYREjecq06dQJzRZw0/edit#gid=881977100
Ignore the kie-server-spring-boot-optaplanner... and other kie-server artifacts in that list, as the kie-server needs to be transitioned in once and that's not part of this issue.

Conversation table (what to change with what):
https://docs.google.com/spreadsheets/d/1OOnK65cWqXzRvk-glZKMiABcZ82DufSuHezf7Wor3wI/edit#gid=0