I correctly see the artifact here:
https://repository.jboss.org/nexus/content/groups/ea/org/apache/camel/camel-spring-boot-dependencies/2.21.0.fuse-730054/

Andrej Smigala,
Yesterday 14:48
,
@Andrea Cosentino from what I understand from the previous conversation, the problem was a missing md5, which is also missing now in the link you sent
it's present here> https://origin-repository.jboss.org/nexus/content/groups/ea/org/apache/camel/camel-spring-boot-dependencies/2.21.0.fuse-730054/