Fix spring security 5.1 version
<!-- Spring Security -->
- <feature name="spring-security" description="Spring Security 5.1.x support" version="${spring.security42.version}">
+ <feature name="spring-security" description="Spring Security 5.1.x support" version="${spring.security51.version}">
<feature>war</feature>
<feature version="[5.1,6)">spring-jdbc</feature>
<feature version="[5.1,6)">spring-tx</feature>
