v4.5.0

What's Changed

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

Full Changelog: v4.3.1...v4.5.0