v1.8.0

This release includes a fix to non-critical role handling, and adds production of role events to the aliecs.role topic.

• Workflow state handling:
  • [core] non-critical roles should never update parents state
  • [core] test state propagation across role trees
  • [core] remove obsolete workaround to make ERROR state always win
• aliecs.role topic:
  • [core] Emit role events to aliecs.role topic