chore: move ClientError definition to component client module

[Itay-Tsabary-Starkware]

Stack:

• chore: split communication-related functionality from mempool and mem… #224
• chore: move ClientError definition to component client module #223 ⬅

⚠️ Part of a stack created by spr. Do not merge manually using the UI - doing so may have unexpected results.

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This change is 

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 65.72%. Comparing base (41a4675) to head (600a0cb).

Files	Patch %	Lines
crates/mempool_infra/src/component_client.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #223   +/-   ##
=======================================
  Coverage   65.72%   65.72%           
=======================================
  Files          23       23           
  Lines         916      916           
  Branches      916      916           
=======================================
  Hits          602      602           
  Misses        288      288           
  Partials       26       26           

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[uriel-starkware]

Reviewed 2 of 2 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @Itay-Tsabary-Starkware)

[Itay-Tsabary-Starkware]

Reviewed 2 of 2 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @Itay-Tsabary-Starkware)