chore(maven): change to release-parent v2.5
chore(maven): change to release-parent v2.5

related to #CAM-2727

tcrossland/camunda-bpm-webapp,xlinur/camunda-bpm-webapp,xlinur/camunda-bpm-webapp,kingtec/camunda-tasklist-ui,TitanUser/camunda-bpm-webapp,tcrossland/camunda-bpm-webapp,xlinur/camunda-bpm-webapp,nagyistoce/camunda-tasklist-ui,nagyistoce/camunda-tasklist-ui,TitanUser/camunda-bpm-webapp,incedure/incedure-datalist-ui,TitanUser/camunda-bpm-webapp,tcrossland/camunda-bpm-webapp,kingtec/camunda-tasklist-ui