Update pom.xml, upgrade nexus-plugins to 3.25.1-04
Upgrade to nexus-plugins 3.25.0-03
upgrade nexus-plugins to 3.23.0-01
Upgrade nexus-plugins to 3.22.0-01
Have GitlabPrincipal implement Serializable
change nexus version from 3.19.1 to 3.20.0
set first and last names of User to the user id
update nexus version to 3:3.19.1, plugin to version 1.2.0-SNAPSHOT, create User if doesn't exist