v0.0.30

[ymost]

1. Small change to authentication flow: default auth method is still Azure CLI, but the fallback to device auth has been removed. Instead, if you want device auth, initiate PyKustoClient with auth_method=KustoConnectionStringBuilder.with_aad_device_authentication.
2. Added functions: rand, has_any.
3. Update azure-kusto-data dependency to 2.1.1
4. Add support for Python 3.9

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This discussion was created from the release v0.0.30.