Update keycloak/keycloak Docker tag to v24.0.5 #2

Job	Run time
Build and check documentation	2m 38s
End-to-end tests, chromium	4m 20s
Check that documentation for configuration steps is up-to-date	1m 28s
End-to-end tests, firefox	4m 36s
Run the Django test suite (main)	20m 35s
End-to-end tests, webkit	4m 39s
Run the Django test suite (elastic)	5m 12s
End-to-end tests, msedge	4m 6s
Run the Django test suite (openklant)	2m 52s
Build (and push) Docker image	1m 43s
Upload coverage information to codecov	26s
	52m 35s

Provide feedback