fix(parent): change surefire Xmx to 768
fix(parent): change surefire Xmx to 768

 related to #CAM-7360

ingorichtsmeier/camunda-bpm-platform,langfr/camunda-bpm-platform,AlexMinsk/camunda-bpm-platform,xasx/camunda-bpm-platform,langfr/camunda-bpm-platform,AlexMinsk/camunda-bpm-platform,AlexMinsk/camunda-bpm-platform,camunda/camunda-bpm-platform,AlexMinsk/camunda-bpm-platform,filiphr/camunda-bpm-platform,falko/camunda-bpm-platform,camunda/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,camunda/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,AlexMinsk/camunda-bpm-platform,filiphr/camunda-bpm-platform,filiphr/camunda-bpm-platform,falko/camunda-bpm-platform,langfr/camunda-bpm-platform,camunda/camunda-bpm-platform,langfr/camunda-bpm-platform,filiphr/camunda-bpm-platform,subhrajyotim/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,filiphr/camunda-bpm-platform,falko/camunda-bpm-platform,subhrajyotim/camunda-bpm-platform,xasx/camunda-bpm-platform,xasx/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,AlexMinsk/camunda-bpm-platform,camunda/camunda-bpm-platform,langfr/camunda-bpm-platform,subhrajyotim/camunda-bpm-platform,xasx/camunda-bpm-platform,langfr/camunda-bpm-platform,subhrajyotim/camunda-bpm-platform,subhrajyotim/camunda-bpm-platform,falko/camunda-bpm-platform,xasx/camunda-bpm-platform,filiphr/camunda-bpm-platform,falko/camunda-bpm-platform,falko/camunda-bpm-platform,camunda/camunda-bpm-platform,subhrajyotim/camunda-bpm-platform,xasx/camunda-bpm-platform