Limit the number of clientSessionIds in the test

Before it was 1500 client sessions, now its only 150 client sessions. This should help to keep the test within its time constraint of 60 + 30 seconds.

Closes keycloak#12264

Add GPG signing to boms

Add javadoc artefacts to spring bundles (keycloak#10261)

Closes keycloak#10260

Set version to 17.0.0

Set version to 16.1.1

Set version to 16.1.0

Update files

Set version to 15.1.1

Update files

Set version to 15.0.2