Add sharding support for Network methods

[kumarUjjawal]

Pull Request

This PR aims to bring the SDK close to the Mealisearch Meilisearch 1.19 features and add support for sharding .

Related issue

Fixes #700

What does this PR do?

As per the tasks described in the origina issue #700

• Update the Network methods to accept sending the sharding parameter

• Update the Network methods to include remotes.[remoteName].writeApiKey in the responses

• Update the Tasks methods to include remotes objects in the tasks reponse index update method to allow renaming

• Add new test cases to test implementation

PR checklist

Please check if your PR fulfills the following requirements:

• Does this PR fix an existing issue, or have you listed the changes applied in the PR description (and why they are needed)?
• Have you read the contributing guidelines?
• Have you made sure that the title is accurate and descriptive of the changes?

Thank you so much for contributing to Meilisearch!

[codecov]

Codecov Report

❌ Patch coverage is 82.69231% with 18 lines in your changes missing coverage. Please review.
✅ Project coverage is 85.91%. Comparing base (e1bfc99) to head (ca562a0).

Files with missing lines	Patch %	Lines
src/client.rs	75.00%	16 Missing ⚠️
src/tasks.rs	94.87%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #709      +/-   ##
==========================================
- Coverage   85.96%   85.91%   -0.06%     
==========================================
  Files          19       19              
  Lines        5950     6054     +104     
==========================================
+ Hits         5115     5201      +86     
- Misses        835      853      +18     

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