feat: support remote servers execution

[nadin-Starkware]

commit-id:02b017c7

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Stack:

• refactor: restrict RemoteServers struct and field visibility #2125
• refactor: refactor run_component_servers function #2124
• feat: support remote servers execution #2047 ⬅

⚠️ 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 

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 45 lines in your changes missing coverage. Please review.

Project coverage is 5.93%. Comparing base (e3165c4) to head (b6c6bd3).
Report is 495 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/starknet_sequencer_node/src/servers.rs	0.00%	44 Missing ⚠️
crates/starknet_sequencer_node/src/utils.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #2047       +/-   ##
==========================================
- Coverage   40.10%   5.93%   -34.17%     
==========================================
  Files          26     263      +237     
  Lines        1895   30586    +28691     
  Branches     1895   30586    +28691     
==========================================
+ Hits          760    1816     +1056     
- Misses       1100   28696    +27596     
- Partials       35      74       +39     

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[Itay-Tsabary-Starkware]

Reviewable status: 0 of 5 files reviewed, 1 unresolved discussion (waiting on @nadin-Starkware)

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crates/starknet_sequencer_node/src/servers.rs line 327 at r2 (raw file):

    // Batcher servers.
    let local_batcher_future = get_server_future(servers.local_servers.batcher);
    let remote_batcher_future = get_server_future(servers.remote_servers.batcher);

I suggest we use indirection here. Please add each struct (remote, local, wrapper) a function to create its relevant futures.
Also please add a todo to spawn the tasks separately, and then join them in a cleaner manner.

Code quote:

    let local_batcher_future = get_server_future(servers.local_servers.batcher);
    let remote_batcher_future = get_server_future(servers.remote_servers.batcher);

[github-actions]

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[Itay-Tsabary-Starkware]

Reviewed 1 of 5 files at r1, 4 of 4 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @nadin-Starkware)