chore: use kfc WatchPhase enum #3208

Job	Run time
lint-check	51s
Select Jobs	6s
Schedule (all, unicorn, upgrade) / Test	20m 48s
Schedule (all, unicorn, install) / Test	15m 7s
Schedule (all, registry1, upgrade) / Test	20m 1s
Schedule (all, registry1, install) / Test	16m 58s
Schedule (all, upstream, install) / Test	15m 24s
Schedule (all, upstream, upgrade) / Test	18m 9s
Compliance Evaluation (registry1) / Evaluate	24s
Compliance Evaluation (upstream) / Evaluate	26s
Compliance Evaluation (unicorn) / Evaluate	26s
	1h 48m 40s

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