Update version for the next release (v.20.0)

[bidoubiwa]

This version makes this package compatible with Meilisearch v0.29.1 🎉
Check out the changelog of Meilisearch v0.29.1 for more information on the changes.

🚀 Enhancements

• Ensure support to the new search query parameter matchingStrategy (Update search params for v0.29.0 #333) @bidoubiwa
• Ensure support to keys with wildcarded actions.
  • actions field during key creation now accepts wildcards on actions. For example, indexes.* provides rights to indexes.create, indexes.get,indexes.delete, indexes.delete, and indexes.update. Create an API key with the action with * for indexes, settings, tasks, dumps, stats meilisearch#2560

⚠️ Breaking Changes

• Replace struct Query with SearchQuery (Replace struct Query with SearchQuery #341) @vishalsodani
• Changes in filters and behavior of the NOT keyword Rework the NOT filter keyword meilisearch#2486

Thanks again to @bidoubiwa, @curquiza, and @vishalsodani! 🎉

[bidoubiwa]

bors merge

[bors]

Build succeeded:

• clippy-check
• integration-tests
• readme-check
• wasm-build

[bidoubiwa]

Thanks again for contributing with Meilisearch ❤️
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