v3.9.0

What's Changed

• feat: adds deployment labels to prompts by @hassiebp in https://github.com/langfuse/langfuse-js/pull/184
• chore(deps-dev): bump rollup from 4.16.1 to 4.16.3 by @dependabot in https://github.com/langfuse/langfuse-js/pull/175
• chore(deps): bump langchain from 0.1.34 to 0.1.36 by @dependabot in https://github.com/langfuse/langfuse-js/pull/177

Full Changelog: https://github.com/langfuse/langfuse-js/compare/v3.8.0...v3.9.0