v5.5.0-beta.0

What's Changed

• feat(api): update API spec from langfuse/langfuse 9ce4aa4 by @langfuse-bot in https://github.com/langfuse/langfuse-js/pull/817
• feat(api): update API spec from langfuse/langfuse c82119e by @langfuse-bot in https://github.com/langfuse/langfuse-js/pull/821
• build(deps): bump release-it to v20 for immutable release support by @wochinge in https://github.com/langfuse/langfuse-js/pull/826

Full Changelog: https://github.com/langfuse/langfuse-js/compare/v5.4.1...v5.5.0-beta.0