ZKsync Era housekeeper

This crate contains functionality for performing “administrative” work to keep the system flowing. It does:

• stats reporting: L1BatchMetricsReporter; FriProofCompressorStatsReporter; FriWitnessGeneratorStatsReporter; FriProverStatsReporter;

• archiving: FriGpuProverArchiver; FriProverJobArchiver;

• retrying(re-queueing stuck jobs): FriProofCompressorJobRetryManager; FriWitnessGeneratorJobRetryManager; FriProverJobRetryManager;

• job scheduling(queueing): WaitingToQueuedFriWitnessJobMover; SchedulerCircuitQueuer;