Enable workflow dispatch event for CIs (#1666) #1205

Job	Run time
ci (release)	10m 8s
ci (unit-tests)	13m 33s
ci (e2e-tests-airflow-integration)	14m 9s
ci (e2e-tests-assembly-local)	20m 50s
ci (e2e-tests-assembly-distributed)	16m 14s
ci (e2e-tests-autogenerated-helm-chart)	22m 4s
ci (e2e-tests-failover)	16m 54s
ci (e2e-tests-repartition-dask)	46m 47s
ci (e2e-tests-schedule-workflow)	14m 58s
ci (e2e-tests-schedule-workflow-without-crd)	13m 13s
ci (e2e-tests-schedule-workload)	13m 46s
ci (e2e-tests-serialize)	15m 42s
ci (e2e-tests-sidecar)	14m 51s
ci (e2e-tests-spill)	14m 44s
ci (e2e-tests-workflow)	15m 4s
ci (e2e-tests-mars-examples)	10m 30s
ci (e2e-tests-vineyardctl)	15m 1s
ci (e2e-tests-deploy-raw-backup-and-recover)	15m 3s
	5h 3m 31s

Provide feedback