Weaviate-client

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This patch version includes

- Bump of the default version for Weaviate Embedded DB to v1.22.3

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This patch version includes

- Fixes to the codebase naming convention and directory structure to prevent collision with Google's proto-plus library
- Fixes to the build method so that readthedocs.io builds the documentation correctly again

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This patch version includes:

- Bump default embedded version to 1.22.0

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This minor version includes:

- Support for new Weaviate nested objects on insert and query
- ``client.data_object.create()`` now supports nested objects
- ``client.query.get()`` now supports nested objects
- Updates to use Weaviate's v1 gRPC API
- Support for batching with Weaviate>1.22.0 version and async vector indexing
- Addition of the `client.batch.wait_for_async_indexing()` method to force block until async indexing is complete
- Add tests for Python 3.12 to ensure compatibility

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This patch version includes:

- Small fix to the batching process to ensure that failed multi-tenant objects are re-added to the batch with their tenant attached

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This patch version updates the ``changelog.rst`` that became stale over the last few releases