feat(hubble): configurable reorg handling (#3232)

- `min_seconds_between_monitor_checks` - currently we're refreshing each
non-finalized block every second. this allows us to control the minimum
time between each check. new default 60 seconds)
- `retry_later_sleep_seconds` - configures the finalizer idle polling
time (currently 1 second => new default 5 seconds)

this should save a lot of rpc calls