v4.5.0

What's Changed

• fix(ci): disable zizmor advanced security to unblock releases by @wochinge in https://github.com/langfuse/langfuse-python/pull/1630
• fix(observe): preserve streaming context without output capture by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1628
• ci: use explicit version for fetch-metadata version comment by @wochinge in https://github.com/langfuse/langfuse-python/pull/1633
• fix(observe): preserve streaming context without output capture by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1634
• fix(langchain): preserve LangGraph control flow traces by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1632
• fix(openai): preserve native v1 stream contract by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1627

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v4.3.1...v4.5.0