Fix type annotation for azure-storage-blob BlobClient.upload_blob

[jayqi]

Description

This PR adds a missing AnyStr type annotation to the data argument of BlobClient.upload_blob of azure-storage-blob.

Fixes #23362.

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[ghost]

Thank you for your contribution jayqi! We will review the pull request and get back to you soon.

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[lmazuel]

Hi @jayqi , thanks for the contribution! Would you mind fixing type the async version at the same time?

azure-sdk-for-python/sdk/storage/azure-storage-blob/azure/storage/blob/aio/_blob_client_async.py

Line 246 in 011dc5f

self, data, # type: Union[Iterable[AnyStr], IO[AnyStr]]

Thanks!

cc @kristapratico @jalauzon-msft

[ghost]

All CLA requirements met.

[jayqi]

Thanks for reviewing @lmazuel, I've made the requested change. (cc @amishra-dev, @jalauzon-msft)