feat: add endpoint to create responses for current user in bulk

[jfcalvo]

Description

This PR adds a new endpoint to create responses in bulk to support the new bulk annotation feature on Argilla.

The new endpoint is POST /api/v1/me/responses/bulk with the following implementations details:

• It can accept a maximum of 50 responses to be created or updated.
• Responses are created or updated for the current user doing the request.
• The endpoint is not transactional.
  • One response failing to be created or updated is not avoiding to process the rest of the responses in the request.
• If the request is successful the number and order of the items in the request body and response will match.

Example of a body request with a response to update and a second response to update (but using an invalid question):

{
  "items": [
    {
      "values": {"prompt-quality": {"value": 10}},
      "status": "submitted",
      "record_id": "8df12fc4-aaa4-4c5c-a883-1b50ab877c97"
    },
    {
      "values": {"non-existent-question": {"value": 1}},
      "status": "draft",
      "record_id": "f62786d4-eba7-4ecb-8225-730509150668"
    }
  ]
}

Note

For updating responses we don't need the id of the response, from the context of the request we have the current user_id and the record_id is mandatory using this endpoint. These two attributes are the ones used to unambiguously know when to create or update a response.

A response for the previous request with the first response successfully updated and an error trying to create the second response:

{
  "items": [
    {
      "item": {
        "id": "e27cdcde-1393-4bfb-a42a-d557a1975b35",
        "values": {"prompt-quality": {"value": 10}},
        "status": "submitted",
        "user_id": "3063e7c6-5b2a-4952-83b1-8e05277e8b51",
        "record_id": "8df12fc4-aaa4-4c5c-a883-1b50ab877c97",
        "inserted_at": "2023-12-05T12:39:19.165603",
        "updated_at": "2023-12-05T12:50:26.593117",
      },
      "error": null
    },
    {
      "item": null,
      "error": {
        "detail": "found responses for non configured questions: ['non-existent-question']"
      }
    }
  ]
}

/cc @frascuchon @gabrielmbmb there are some TODO comments on the code to discuss possible improvements.
/cc @damianpumar

Closes #4367

Type of change

(Please delete options that are not relevant. Remember to title the PR according to the type of change)

• New feature (non-breaking change which adds functionality)

How Has This Been Tested

• Running tests locally using SQLite as database.
• Running tests locally using PostgreSQL as database.

Checklist

• I added relevant documentation
• follows the style guidelines of this project
• I did a self-review of my code
• I made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• I filled out the contributor form (see text above)
• I have added relevant notes to the CHANGELOG.md file (See https://keepachangelog.com/)

[github-actions]

The URL of the deployed environment for this PR is https://argilla-quickstart-pr-4380-ki24f765kq-no.a.run.app

[jfcalvo]

@damianpumar notice that we made a change to this PR so now responses that need to be updated doesn't need to provide the response id in the body.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (6630d7b) 90.13% compared to head (870b328) 65.96%.
Report is 532 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #4380       +/-   ##
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- Coverage    90.13%   65.96%   -24.18%     
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  Files          233      330       +97     
  Lines        12493    19115     +6622     
============================================
+ Hits         11261    12609     +1348     
- Misses        1232     6506     +5274     

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