Lease renewal status

A lock service hands one worker a lease at time grant_ms, and the lease covers the ttl_ms milliseconds that follow, so it lapses at grant_ms + ttl_ms. The worker keeps it alive with renewals. renew_times holds the arrival time of each renewal in arrival order, non-decreasing, and never earlier than grant_ms. A renewal that arrives strictly before the current expiry is accepted and sets a new expiry at that arrival time plus ttl_ms, because the window restarts from arrival rather than extending the old one. A renewal that arrives at the expiry or later is refused: the lease has already lapsed and the service has handed it to somebody else, so every renewal after that is refused too. Return a list holding, for each renewal in order, the expiry it produced, or -1 when it was refused.