chore(deps): update dependency @anthropic-ai/sdk to v0.56.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@anthropic-ai/sdk	0.55.1 -> 0.56.0

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Release Notes

anthropics/anthropic-sdk-typescript (@​anthropic-ai/sdk)

v0.56.0

Full Changelog: sdk-v0.55.1...sdk-v0.56.0

Features

• api: add support for Search Result Content Blocks (2910b28)
• tests: add fixture-based streaming tests and improve test coverage (00424bc)
• vertex: add AuthClient interface support for improved auth flexibility (b6f86e2)

Bug Fixes

• avoid console usage (e5ab01d)
• bedrock: fix bedrock logger (f183bc9)

Chores

• add docs to RequestOptions type (38cb967)
• api: update BetaCitationSearchResultLocation (760be6b)

Documentation

• model in examples (9385376)
• more beta updates (7d8b8ac)
• update model in readme (b1799f7)
• update models and non-beta batches (5305cdb)

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