fix: Memo in ibc transfer to axelar

[rbajollari]

Description

closes: #XXXX

---

Author Checklist

All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.

I have...

• included the correct type prefix in the PR title
• added ! to the type prefix if API or client breaking change
• added appropriate labels to the PR
• targeted the correct branch
• provided a link to the relevant issue or specification
• 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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your handle next to the items reviewed if you only reviewed selected items.

I have...

• confirmed the correct type prefix in the PR title
• confirmed all author checklist items have been addressed
• reviewed state machine logic
• reviewed API design and naming
• reviewed documentation is accurate
• reviewed tests and test coverage
• manually tested (if applicable)

[codecov-commenter]

Codecov Report

Attention: 273 lines in your changes are missing coverage. Please review.

Comparison is base (71f1f9c) 15.81% compared to head (1eac151) 15.62%.

Files	Patch %	Lines
x/gmp/types/gmp.pb.go	0.38%	262 Missing ⚠️
x/gmp/types/params.go	0.00%	7 Missing ⚠️
x/gmp/types/msgs.go	0.00%	4 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #335      +/-   ##
==========================================
- Coverage   15.81%   15.62%   -0.20%     
==========================================
  Files          78       78              
  Lines       18955    19225     +270     
==========================================
+ Hits         2997     3003       +6     
- Misses      15804    16069     +265     
+ Partials      154      153       -1     

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