Changes related to the next Meilisearch release (v1.7.0)

[meili-bot]

Related to this issue: https://github.com/meilisearch/integration-guides/issues/296

This PR:

• gathers the changes related to the next Meilisearch release (v1.7.0) so that this package is ready when the official release is out.
• should pass the tests against the latest pre-release of Meilisearch.
• might eventually contain test failures until the Meilisearch v1.7.0 is out.

⚠️ This PR should NOT be merged until the next release of Meilisearch (v1.7.0) is out.

This PR is auto-generated for the pre-release week purpose.

[curquiza]

@ahmednfwela do you know why the linter is not happy, I get no information on the CI 😢

[ahmednfwela]

@curquiza just need to run dart format .

[curquiza]

@ahmednfwela thank you very much 🙏

Will try to remember this command next time

[meili-bors[bot]]

Build succeeded:

• integration-tests (dart latest)
• linter-check
• pana