fix(controller_acks): Add handling of heartbeat acks and timeouts

[donovansolms]

This PR fixes an issue where IBC acks and timeouts were not handled by the controller and resulted in errors shown to the relayer. This did not have any impact on the functionality of the controller or satellite.

The typical error looked like

message: "failed to execute message; message index: 1: acknowledge packet callback failed: on ack: Error parsing into type ibc_controller_package::IbcProposal: unknown field `heartbeat`, expected `id` or `messages`

Note: This was tested using Terra as controller and Neutron, Injective as satellites

[epanchee]

Don't you mind to cover Heartbeat messages in ack and timeout tests?

Also, as we keep release version aligned with the main crate in workspace could you bump astroport-ibc to 1.2.1?

[donovansolms]

Also, as we keep release version aligned with the main crate in workspace could you bump astroport-ibc to 1.2.1?

Is this contract level version fine?

[epanchee]

Also, as we keep release version aligned with the main crate in workspace could you bump astroport-ibc to 1.2.1?

Is this contract level version fine?

I'd better bump it to 1.1.0 as it looks more as minor change rather than patch.

[epanchee]

LGTM!