chore: add changelog

[towerkyoto]

Summary by CodeRabbit

• Improvements

  • Upgraded to a newer version of the underlying platform for enhanced stability and performance.
  • Introduced support for new digital asset features.

• Bug Fixes

  • Fixed an issue with conflicting addresses in the digital asset module.

[coderabbitai[bot]]

Walkthrough

The project has been enhanced with an update to the cosmos-sdk and the introduction of support for the x/nft API, expanding its capabilities in handling non-fungible tokens. Additionally, a version bump to 1.8.0 signifies the inclusion of these new features and improvements. A bug fix was also implemented to resolve a REST URI conflict within the mt module, ensuring smoother operation.

Changes

File(s)	Change Summary
.../cosmos-sdk	Updated to v0.47.4
x/nft	Added support for x/nft API
.../mt	Resolved REST URI conflict
CHANGELOG.md	Updated version number to v1.8.0

🐇✨ To the cosmos we hop and bound, With nifty NFTs we're now profound. No more URI squabbles, peace is found, Version one-eight-zero, we're upgrade-bound! 🚀🎉

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