Add support for changing the Codestral endpoint

[pedrxd]

  "edit_predictions": {
    "codestral": {
      "api_url": "https://codestral.mistral.ai",
      "model": "codestral-latest",
      "max_tokens": 150
    }
  },

Release Notes:

• Added support for changing the Codestral endpoint. This was discussed at Add Codestral edit predictions provider #34371.

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[pedrxd]

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[pedrxd]

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[bennetbo]

Thank you!