Run speakeasy run locally with version 0.42.7

[lawrence-u10d]

Note

Upgrade & regen

• Bumps Python SDK to 0.42.7 and updates __user_agent__/locks (gen.yaml, .speakeasy/*.lock)
• Regenerates models/docs; minor union order tweaks across destination models

AstraDB connector models

• Adds pydantic extra="allow" with __pydantic_extra__ and additional_properties accessors for AstraDBConnectorConfig and AstraDBConnectorConfigInput
• Serialization updated to include additional fields; docs reflect new __pydantic_extra__

Docs & samples

• Updates docs/sdks/destinations/README.md and codeSamples.yaml to use operations.* typed request objects for create/update destination examples

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