fix(engine-rest): fix unsupported class version
fix(engine-rest): fix unsupported class version

related to CAM-8744

falko/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,langfr/camunda-bpm-platform,langfr/camunda-bpm-platform,falko/camunda-bpm-platform,langfr/camunda-bpm-platform,langfr/camunda-bpm-platform,xasx/camunda-bpm-platform,falko/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,xasx/camunda-bpm-platform,falko/camunda-bpm-platform,xasx/camunda-bpm-platform,camunda/camunda-bpm-platform,camunda/camunda-bpm-platform,falko/camunda-bpm-platform,camunda/camunda-bpm-platform,xasx/camunda-bpm-platform,camunda/camunda-bpm-platform,xasx/camunda-bpm-platform,camunda/camunda-bpm-platform,langfr/camunda-bpm-platform,camunda/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,xasx/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,langfr/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,falko/camunda-bpm-platform