Changes to GET `/api/v0/main-frontend/credit-registration-admin/phases` - Every pipeline phase, its heartbeat and the queue it is responsible for, and the workers' circuit breakers.

added the required property server_build_commit to the response with the 200 status

added the new partially_registered enum value to the phases/items/owned_states/items response property for the response status 200

removed the required property phases/items/implemented from the response with the 200 status

added the required property circuit_breakers to the response with the 200 status

added the required property phases/items/is_known_phase to the response with the 200 status

added the new pending enum value to the phases/items/owned_states/items response property for the response status 200

removed the abandoned_by_consent_withdrawal enum value from the phases/items/owned_states/items response property for the response status 200

removed the pending_consent enum value from the phases/items/owned_states/items response property for the response status 200

removed the pending_prerequisites enum value from the phases/items/owned_states/items response property for the response status 200

removed the pending_student_number enum value from the phases/items/owned_states/items response property for the response status 200

endpoint added