Update cas-client-core to 3.6.4
Update cas-client-core to 3.6.4

Closes gh-10753

spring-projects/spring-security,spring-projects/spring-security,rwinch/spring-security,rwinch/spring-security,rwinch/spring-security,rwinch/spring-security,spring-projects/spring-security,rwinch/spring-security,spring-projects/spring-security,rwinch/spring-security,spring-projects/spring-security,spring-projects/spring-security,spring-projects/spring-security