feat(policies): add attestation phase lifecycle control (#2765) #342

Job	Run time
test / Test (controlplane)	7m 57s
test / Test (artifact-cas)	1m 28s
test / Test (cli)	3m 4s
test / Test (main-module)	5m 18s
init_attestation	13s
Release CLI and control-plane/artifact-cas container images	15m 7s
Finish Attestation	10s
modify_release_notes	-1s
test / Test (cli)	3m 4s
test / Test (controlplane)	7m 57s
test / Test (main-module)	5m 18s
test / Test (artifact-cas)	1m 28s
Finish Attestation	5s
init_attestation	13s
Release CLI and control-plane/artifact-cas container images	15m 7s
modify_release_notes	0s
	1h 6m 28s

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