deps: bump org.springdoc:springdoc-openapi-starter-webmvc-ui from 2.8.3 to 2.8.4 #307

Job	Run time
known_user	1s
approval_required	1s
build-enterprise-quarkus (java/bed-allocation, 21)	5m 50s
build-enterprise-quarkus (java/vehicle-routing, 21)	5m 56s
build-quarkus (java/bed-allocation, 21)	7m 29s
build-quarkus (java/conference-scheduling, 21)	6m 42s
build-quarkus (java/employee-scheduling, 21)	7m 9s
build-quarkus (java/facility-location, 21)	6m 41s
build-quarkus (java/flight-crew-scheduling, 21)	6m 30s
build-quarkus (java/food-packaging, 21)	5m 59s
build-quarkus (java/maintenance-scheduling, 21)	6m 35s
build-quarkus (java/meeting-scheduling, 21)	6m 45s
build-quarkus (java/order-picking, 21)	5m 49s
build-quarkus (java/school-timetabling, 21)	6m 38s
build-quarkus (java/project-job-scheduling, 21)	6m 52s
build-quarkus (java/sports-league-scheduling, 21)	6m 49s
build-quarkus (java/task-assigning, 21)	6m 32s
build-quarkus (java/tournament-scheduling, 21)	7m 10s
build-quarkus (java/vehicle-routing, 21)	6m 39s
build-quarkus (kotlin/school-timetabling, 21)	6m 38s
build-spring-boot (java/spring-boot-integration, 21)	7m 19s
	2h 6m 4s

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