Fix Maven build so there are no warnings (#25524) #31203

Job	Run time
build-matrix	6s
ng-default (n18.19.1/j17)	23m 46s
ng-default-additional (n20/j21)	13m 17s
ng-mysql-es-noi18n-mapsid (n20/j17)	17m 2s
ng-mongodb-kafka-cucumber (n18.19.1/j21)	13m 17s
ng-h2mem-ws-nol2 (n18.19.1/j17)	15m 39s
ng-gradle-fr (n20/j21)	14m 1s
ng-gradle-mariadb-oauth2-infinispan (n20/j17)	16m 40s
ng-gradle-h2disk-ws-nocache (n18.19.1/j21)	14m 51s
ng-webflux-mongodb (n18.19.1/j17)	13m 52s
ng-webflux-gradle-mongodb-oauth2 (n20/j21)	15m 4s
ng-webflux-psql-default (n18.19.1/j17)	12m 49s
ng-webflux-psql-additional (n20/j21)	7m 18s
ng-webflux-gradle-session-h2mem-es (n20/j17)	11m 11s
ms-ng-consul-oauth2-mongodb-caffeine (n18.19.1/j17)	16m 55s
mf-ng-eureka-jwt-psql-ehcache (n20/j21)	20m 9s
ms-mf-ng-consul-oauth2-neo4j (n20/j17)	19m 3s
check-angular	1s
	4h 5m 1s

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