Problem: ibc-go v10 is not used

[yihuang]

Solution:

• upgrade to v9 to try new features

TODO: fix ibc conversion middleware

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PR Checklist:

• [ ] Have you read the CONTRIBUTING.md?
• [ ] Does your PR follow the C4 patch requirements?
• [ ] Have you rebased your work on top of the latest master?
• [ ] Have you checked your code compiles? (make)
• [ ] Have you included tests for any non-trivial functionality?
• [ ] Have you checked your code passes the unit tests? (make test)
• [ ] Have you checked your code formatting is correct? (go fmt)
• [ ] Have you checked your basic code style is fine? (golangci-lint run)
• [ ] If you added any dependencies, have you checked they do not contain any known vulnerabilities? (go list -json -m all | nancy sleuth)
• [ ] If your changes affect the client infrastructure, have you run the integration test?
• [ ] If your changes affect public APIs, does your PR follow the C4 evolution of public contracts?
• [ ] If your code changes public APIs, have you incremented the crate version numbers and documented your changes in the CHANGELOG.md?
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Summary by CodeRabbit

• New Features

  • Enhanced multi-token support for smoother cross-chain transfers.
  • Introduced improved token conversion ensuring better compatibility with smart contracts.

• Enhancements

  • Upgraded the interchain communication system for increased reliability and performance.
  • Streamlined governance and upgrade processes for smoother transitions.

• Refactor

  • Modernized dependency and build configurations to boost overall system stability.