Upgrade Aurad to v0.7.1

This is a proposal to upgrade aurad version at height 3,666,129 ~ Nov 16th, 13:00 UTC

Changelog

[v0.7.1]

Features

• Upgrade sdk to v0.47.4
• Add ibc-hooks module
• Add smartaccount module

Changes

• Set max block size to 2mb
• The custom auth/vesting is deprecated - use original sdk auth/vesting instead