State of the domain for managed certificate issuance.
Values:
STATE_UNSPECIFIED (0):
State is unspecified.
AUTHORIZING (1):
Certificate provisioning for this domain is
under way. GCP will attempt to authorize the
domain.
AUTHORIZED (6):
A managed certificate can be provisioned, no
issues for this domain.
FAILED (7):
Attempt to authorize the domain failed. This prevents the
Managed Certificate from being issued. See
failure_reason and details fields for more
information.