v5.6.0

What's Changed

• feat(api): update API spec from langfuse/langfuse 8cdf8a4 by @langfuse-bot in https://github.com/langfuse/langfuse-js/pull/847
• feat(datasets): multimodal dataset support (LFE-10288) by @wochinge in https://github.com/langfuse/langfuse-js/pull/840

Full Changelog: https://github.com/langfuse/langfuse-js/compare/v5.5.3...v5.6.0