fix: use cosmos/ledger-cosmos-go@main

[faddat]

Closes: #XXX

What is the purpose of the change

This PR uses the latest imports pertinent to supporting ledger devices. I'm writing this on the airplane, someone should please double check to ensure that there are no accidental breakages of cli-based ledger support.

Brief Changelog

• go get github.com/cosmos/ledger-cosmos-go@main

Testing and Verifying

These changes haven't been tested yet, and should be verified before merging.

Documentation and Release Note

• Does this pull request introduce a new feature or user-facing behavior changes? no
• Is a relevant changelog entry added to the Unreleased section in CHANGELOG.md? yes
• How is the feature or change documented? not applicable