Fix bug where amino is not supported in fswap and fbridge (backport #1378)

[mergify]

Description

• Fix bug where amino is not supported in fswap and fbridge

Motivation and context

How has this been tested?

Screenshots (if appropriate):

Checklist:

• I followed the contributing guidelines and code of conduct.
• I have added a relevant changelog to CHANGELOG.md
• I have added tests to cover my changes.
• I have updated the documentation accordingly.
• I have updated API documentation client/docs/swagger-ui/swagger.yaml

---

This is an automatic backport of pull request #1378 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of ed74ee8 has failed:

On branch mergify/bp/release/v0.49.x/pr-1378
Your branch is up to date with 'origin/release/v0.49.x'.

You are currently cherry-picking commit ed74ee8a8.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   CHANGELOG.md
	modified:   x/fbridge/module/module.go
	modified:   x/fbridge/types/codec.go
	modified:   x/fbridge/types/keys.go
	modified:   x/fbridge/types/msgs.go
	new file:   x/fbridge/types/msgs_test.go
	modified:   x/fswap/types/keys.go
	modified:   x/fswap/types/msgs.go
	new file:   x/fswap/types/msgs_test.go

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   client/docs/swagger-ui/swagger.yaml

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[codecov]

Codecov Report

Attention: Patch coverage is 96.61017% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 68.93%. Comparing base (1da1023) to head (033051d).

Additional details and impacted files

@@                 Coverage Diff                 @@
##           release/v0.49.x    #1380      +/-   ##
===================================================
+ Coverage            68.87%   68.93%   +0.06%     
===================================================
  Files                  671      671              
  Lines                69197    69256      +59     
===================================================
+ Hits                 47657    47742      +85     
+ Misses               19260    19234      -26     
  Partials              2280     2280              

Files	Coverage Δ
x/fbridge/types/codec.go	57.50% <100.00%> (+1.08%)	⬆️
x/fbridge/types/keys.go	0.00% <ø> (ø)
x/fbridge/types/msgs.go	66.66% <100.00%> (+66.66%)	⬆️
x/fswap/types/msgs.go	24.32% <85.71%> (+24.32%)	⬆️