Rectify Keycloak versions and settings in docker-compose(-logstash).yml files for secure(-ui) to match latest Keycloak.X distribution

[vrindanayak]

• [x] /var/local/dcm4chee-arc/keycloak-themes:/opt/keycloak/themes volume mapping is missing in docker-compose(-logstash).yml files
• [x] Rectify in docker-compose-logstash.yml to match Keycloak.X Quarkus distribution version (18.0.2) and new env vars
• [x] Rectify to latest Keycloak.X Quarkus distribution version (18.0.2) in docker-compose.yml

Related dcm4che/dcm4chee-arc-light#3699, dcm4che/dcm4chee-arc-light#3658