cosmosdb-preview 1.2.0b1

• Add support for Throughput bucketing.

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SHA256 hashes of the release artifacts:

d35b58737720d9c4dad4a0d100e1cca14ddb03c85ec9ce197440a06ef50f5611 cosmosdb_preview-1.2.0b1-py2.py3-none-any.whl