build(deps)!: bump github.com/cosmos/ibc-go to v7.2.0

[RiccardoM]

Description

This PR updated ibc-go to v7.2.0 in order to solve a bug that broke all IBC-related transaction Ledger signing.

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Author Checklist

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I have...

• included the correct type prefix in the PR title
• added ! to the type prefix if API or client breaking change
• targeted the correct branch (see PR Targeting)
• provided a link to the relevant issue or specification
• followed the guidelines for building modules
• included the necessary unit and integration tests
• added a changelog entry to CHANGELOG.md
• included comments for documenting Go code
• updated the relevant documentation or specification
• reviewed "Files changed" and left comments if necessary
• confirmed all CI checks have passed

Reviewers Checklist

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I have...

• confirmed the correct type prefix in the PR title
• confirmed ! in the type prefix if API or client breaking change
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• reviewed state machine logic
• reviewed API design and naming
• reviewed documentation is accurate
• reviewed tests and test coverage
• manually tested (if applicable)

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (c161eea) 80.79% compared to head (af5ac78) 80.79%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1180   +/-   ##
=======================================
  Coverage   80.79%   80.79%           
=======================================
  Files         194      194           
  Lines       17309    17309           
=======================================
  Hits        13985    13985           
  Misses       2727     2727           
  Partials      597      597           

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