[v1.3] Total Tasks in task route

[Bruno Casali]

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Sorry if this is already wholly/partially implemented. Feel free to let me know about the state of this issue in the repo.

Related to meilisearch/integration-guides#280

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New implementation

Related to:

• spec: meilisearch/specifications#253

Returns the total number of tasks matching the filters on the GET /tasks route.

Ensure the SDKs can handle the new get tasks response field total

TODO:

• Handle the response of the getTasks method by including the new attribute total