fix: support amino encoding on MsgRecoverClient

[jtieri]

Description

This PR adds amino encoding support to MsgRecoverClient so that txs that include this msg type can be signed via Ledger devices.

It would be great if these changes could get backported to v8 as well.

closes: #8447

---

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• Linked to GitHub issue with discussion and accepted design, OR link to spec that describes this work.
• Include changelog entry when appropriate (e.g. chores should be omitted from changelog).
• Wrote unit and integration tests if relevant.
• Updated documentation (docs/) if anything is changed.
• Added godoc comments if relevant.
• Self-reviewed Files changed in the GitHub PR explorer.
• Provide a conventional commit message to follow the repository standards.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 61.72%. Comparing base (ed5789b) to head (fb24605).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8448   +/-   ##
=======================================
  Coverage   61.72%   61.72%           
=======================================
  Files         299      299           
  Lines       21518    21521    +3     
=======================================
+ Hits        13281    13284    +3     
  Misses       7644     7644           
  Partials      593      593           

Flag	Coverage Δ
08-wasm	66.28% <ø> (ø)
e2e	1.18% <ø> (ø)
ibc-go	67.80% <100.00%> (+<0.01%)	⬆️

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[AdityaSripal]

utACK