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 56.80%. Comparing base (78b0abe) to head (e3e94b6).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8448   +/-   ##
=======================================
  Coverage   56.79%   56.80%           
=======================================
  Files         299      299           
  Lines       21518    21521    +3     
=======================================
+ Hits        12222    12225    +3     
  Misses       8738     8738           
  Partials      558      558           

Flag	Coverage Δ
08-wasm	66.13% <ø> (ø)
e2e	1.18% <ø> (ø)
ibc-go	62.20% <100.00%> (+<0.01%)	⬆️

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[AdityaSripal]

utACK