Bump org.mockito:mockito-bom from 5.14.2 to 5.15.2 #512

Job	Run time
Checks on JDK 21 (javac+error-prone)	3m 23s
Checks on JDK 21 (ecj)	1m 15s
Checks on JDK 21 (dependency:analyze)	1m 18s
Checks on JDK 21 (pmd)	2m 34s
Checks on JDK 21 (cpd)	1m 24s
Checks on JDK 21 (spotbugs)	5m 48s
Checks on JDK 21 (checkstyle)	1m 43s
Checks on JDK 21 (javac+lint)	1m 21s
Checks on JDK 21 (javac+lint-all-warnings)	1m 57s
Checks on JDK 21 (check-copyrights)	1m 33s
Checks on JDK 21 (rewrite)	4m 10s
	26m 26s

Provide feedback