Acceptance Criteria (Required on creation):
The task entity should hold a field of type Date called lastUpdate.

• Task entity has new field
• Adjust DB table (create and update scripts)
• Task entities lastUpdated timestamp is set to current time when the update task event fires.
• Create filter option for updatedAfter in TaskQuery
• Create sort option for updatedAfter in TaskQuery
• Documentation:
  • https://docs.camunda.org/manual/latest/user-guide/process-engine/delegation-code/#task-listener-event-lifecycle

Hints (optional):

• Tests should include:
  • different property changes that fire update event
  • assignee change
  • create date counts as last update if no update ocurrs afterwards