Auto withdraw if the balance is below threshold

[nlipartiia-hacken]

Close #84 and #85

• Default threshold is 1000000
• Check if the balance is below threshold (if threshold's specified for this chain in config.yaml)
• If there isn't any native coins to withdraw, agent stops
• If agent has native coins to withdraw, do it and check balance again. If agent's balance is still below threshold, agent stops

Also I updated cw-croncat-core and cw-rules-core versions so that agent works with newer contracts.

[TrevorJTClarke]

Hi @NinoLipartiia looks like a change is needed:

This line needs to change: https://github.com/NinoLipartiia/croncat-rs/blob/auto-withdraw/croncat/src/streams/agent.rs#L88 to use this: https://github.com/NinoLipartiia/croncat-rs/blob/auto-withdraw/croncat/src/streams/agent.rs#L32 example use: https://github.com/CronCats/croncat-rs/blob/be4fa70b1e5784dcae0e4eb491bc21284b7f7826/croncat/src/streams/tasks.rs#L42