Rename client update param messages to match other modules.

[DimitrisJim]

Description

Reference #3650 (comment)

closes: #XXXX

Commit Message / Changelog Entry

nit: rename client update param messages to match other modules.

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[codecov-commenter]

Codecov Report

Merging #3708 (241b58e) into main (83e6877) will not change coverage.
The diff coverage is 85.71%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3708   +/-   ##
=======================================
  Coverage   78.74%   78.74%           
=======================================
  Files         186      186           
  Lines       12816    12816           
=======================================
  Hits        10092    10092           
  Misses       2291     2291           
  Partials      433      433           

Impacted Files	Coverage Δ
modules/core/02-client/types/msgs.go	75.00% <75.00%> (ø)
modules/core/02-client/types/codec.go	79.79% <100.00%> (ø)
modules/core/keeper/msg_server.go	55.24% <100.00%> (ø)

[crodriguezvega]

Thank you, @DimitrisJim 💚

[damiannolan]

🙏