bump btcd for security fix

[yihuang]

Solution:

• update cosmos-sdk to 0.46.11
• bump btcd

Closes: #XXX

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[facs95]

We could probably remove the dependency since the repository is:

This repository has been archived by the owner on Jul 5, 2022. It is now read-only.

An example of this can be found here evmos/evmos#1488

[yihuang]

We could probably remove the dependency since the repository is:

This repository has been archived by the owner on Jul 5, 2022. It is now read-only.

An example of this can be found here evmos/evmos#1488

sounds good, removed the dependency.