Enhance `sov-ibc-mocks` to use CGP and Hermes SDK for improved testing

[Farhad-Shabani]

Background

sov-ibc-mocks implementation is aligned with the design pattern of context generic programming (CGP) which is used by Hermes SDK and this approach inspired from implementation of relayer-cosmos-mock there.

Though right now, we are now using any of CGP framework types and APIs for the relayer element within sov-ibc-mocks, which can be enhanced by using Hermes SDK to cover more versatile testing scenarios.