Prop 44: Upgrade v4.2.0

Upgrade to v4.2.0

This governance proposal is for an on-chain upgrade to Chihuahua v4.2.0.

This upgrade includes version bumps:
- cosmos-sdk v0.45.12
- ibc-go v4.2.0
- wasmd v0.30.0
It also introduces support for Ledge Nano S+.
Thanks to Jacob Gadikian for helping write this upgrade.
- At block 6039999 (EST. Thu Feb 09 2023 13:41:07 UTC) Chihuahua will be upgraded to v4.2.0
- See changes from v4.1.0 -> v4.2.0 here
- commit hash: b3909d0eb5dc2ef0b81261a89b47bcd58c558154

### Actionables

If this proposal is successful, all validators and full node operators should upgrade to v4.2.0 exactly at the upgrade block.
Using cosmovisor is highly recommended.

You can find the upgrade countdown here
And upgrade instruction here

- By voting YES you agree to move forward with the network upgrade
- By voting NO you disagree to move forward with the network upgrade.