chore: rename mempool node

[nadin-Starkware]

commit-id:cc9e68a7

---

Stack:

• chore: rename mempool infra #1757
• chore: add create component client function #1756
• chore: rename mempool node #1755 ⬅

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

[reviewable-StarkWare]

This change is 

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.29%. Comparing base (e3165c4) to head (3f5dd71).
Report is 157 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1755       +/-   ##
===========================================
+ Coverage   40.10%   77.29%   +37.19%     
===========================================
  Files          26      366      +340     
  Lines        1895    38623    +36728     
  Branches     1895    38623    +36728     
===========================================
+ Hits          760    29854    +29094     
- Misses       1100     6523     +5423     
- Partials       35     2246     +2211     

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[github-actions]

Benchmark movements:
tree_computation_flow performance improved 😺
tree_computation_flow time: [34.811 ms 34.873 ms 34.949 ms]
change: [-3.9366% -2.4183% -1.0729%] (p = 0.00 < 0.05)
Performance has improved.
Found 5 outliers among 100 measurements (5.00%)
3 (3.00%) high mild
2 (2.00%) high severe

[Itay-Tsabary-Starkware]

Reviewed 21 of 21 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @nadin-Starkware)