Add Eleftheria Stein to Reference Authors
Add Eleftheria Stein to Reference Authors

Closes gh-9762

djechelon/spring-security,spring-projects/spring-security,djechelon/spring-security,jgrandja/spring-security,rwinch/spring-security,jgrandja/spring-security,rwinch/spring-security,spring-projects/spring-security,spring-projects/spring-security,spring-projects/spring-security,spring-projects/spring-security,jgrandja/spring-security,rwinch/spring-security,spring-projects/spring-security,jgrandja/spring-security,jgrandja/spring-security,rwinch/spring-security,spring-projects/spring-security,djechelon/spring-security,rwinch/spring-security,djechelon/spring-security,rwinch/spring-security,jgrandja/spring-security,djechelon/spring-security