pod-spec uniter exits on pending action op when remote caas container died

[Harry Pidcock]

If there is a pending run-action op and the remote caas container is dead (blocking action running)
the uniter worker errors.

application-coredns: 11:28:27 INFO juju.agent.tools ensure jujuc symlinks in /var/lib/juju/tools/unit-coredns-2
application-coredns: 11:28:27 INFO juju.worker.caasoperator.uniter.coredns/2 unit "coredns/2" started
application-coredns: 11:28:27 INFO juju.worker.caasoperator.uniter.coredns/2 hooks are retried true
application-coredns: 11:28:27 ERROR juju.worker.caasoperator.uniter.coredns/2 resolver loop error: unknown operation kind run-action
application-coredns: 11:28:27 INFO juju.worker.caasoperator.uniter.coredns/2 unit "coredns/2" shutting down: unknown operation kind run-action

[Harry Pidcock (hpidcock)]

https://github.com/juju/juju/pull/13336