Upgrade to Payara 7 and Java 21 #13566

Job	Run time
(Stable / JDK 21) Unit Tests	2m 50s
(Stable / JDK 21) Integration Tests	3m 4s
Coverage Report Submission	24s
Publish App Image / Build & Test	2m 40s
Publish App Image / Check for Secrets Availability	2s
Publish App Image / Package & Publish	-1s
	8m 59s

Provide feedback