[Meilisearch v1.47.0] Add personalized search (experimental)

Context

Meilisearch 1.47.0 adds full support for personalized search (experimental) to the search endpoint.

NB: before 1.47.0, federated search requests did not support personalized search.

Objective

Update the SDK to support personalized search on the search endpoint.

Update the corresponding SDK methods

• Search (POST)
• Search (GET)

Both related API endpoints now accept a new personalize object parameter:

{
  // other request parameters...
  "personalize": {
    "userContext": "The user prefers ..."
  }
}

Tasks

• Add/update methods to handle interacting with the search API endpoints
• Add/update test cases for the new/updated methods
• No code samples to update

Start by locating the SDK methods for the Search (POST) and Search (GET) endpoints, then read their existing test cases and request models. Add coverage showing that the personalize object, including userContext, is accepted for both endpoints and verify the request behavior through the tests.