Trigger unbondings on a daily cadence module unbonding_period/7

[joe-bowman]

Summary

Unbondings are currently triggered epochly; the epoch length was originally determined by 21 days / 7 concurrent unbondings, where 21 days is the most common unbonding period within the cosmos ecosystem.

However, some chains differ from this; osmosis has a 14 day unbonding period, and juno 28 days, for example.

This means that osmosis could unbond every 2 days, and juno should not unbond more frequently than every 4.

This would involve triggering unbondings on a daily cadence, conditional on their unbonding period.