Bump org.mockito.kotlin:mockito-kotlin from 5.4.0 to 6.3.0 in /generators/kotlin/resources #1079

Job	Run time
build-matrix	22s
ng-gradle-fr	6m 2s
ng-default	4m 22s
ng-gradle-h2disk-ws-nocache	5m 59s
ng-default-additional	3m 21s
ng-mongodb-kafka-cucumber	3m 26s
mf-ng-eureka-jwt-psql-ehcache	14m 8s
ng-webflux-gradle-session-h2mem-es	4m 58s
ng-webflux-mongodb	3m 27s
ng-webflux-psql-default	3m 42s
ng-webflux-gradle-mongodb-oauth2	7m 6s
ng-webflux-psql-additional	2m 31s
check-angular	2s
	59m 26s

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