fix: ASA-2025-004 vulnerability in IBC module

[pbukva]

Resolves the "ASA-2025-004: Non-deterministic JSON Unmarshalling of IBC Acknowledgement can result in a chain halt" vulnerability, see the link below for details:
GHSA-jg6f-48ff-5xrw

Proposed Changes

[describe the changes here...]

Linked Issues

[if applicable, add links to issues resolved by this PR]

Types of changes

What type of change does this pull request make (put an x in the boxes that apply)?

• Bug fix (non-breaking change that fixes an issue).
• New feature added (non-breaking change that adds functionality).
• Breaking change (fix or feature that would cause existing functionality to stop working as expected).
• Documentation update.
• Something else (e.g., tests, scripts, example, deployment, infrastructure).

Checklist

Put an x in the boxes that apply:

• I have read the CONTRIBUTING guide
• Checks and tests pass locally

If applicable

• I have added tests that prove my fix is effective or that my feature works
• I have checked that code coverage does not decrease
• I have added/updated the documentation

Further comments

[if this is a relatively large or complex change, kick off a discussion by explaining why you chose the solution you did, what alternatives you considered, etc...]

[github-actions]

Visit the preview URL for this PR (updated for commit 7a16522):

https://fetch-docs-preview--pr419-fix-asa-2025-004-v1wmwf83.web.app

_{(expires Sat, 22 Mar 2025 14:14:55 GMT)}

_{🔥 via Firebase Hosting GitHub Action 🌎}

_{Sign: f2de39fd4e81249941960b74fbab0a62d90d69f8}

[MissingNO57]

LGTM