feat(minor-multisig): implement client for queries

[cjcobb23]

https://axelarnetwork.atlassian.net/browse/AXE-4718

[codecov]

Codecov Report

Attention: Patch coverage is 98.40426% with 3 lines in your changes missing coverage. Please review.

Project coverage is 93.66%. Comparing base (847ac0c) to head (5a36b6b).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
contracts/multisig/src/client.rs	98.40%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #607      +/-   ##
==========================================
+ Coverage   93.63%   93.66%   +0.02%     
==========================================
  Files         225      226       +1     
  Lines       32395    32583     +188     
==========================================
+ Hits        30333    30518     +185     
- Misses       2062     2065       +3     

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