v4.0.0-beta.3

What's Changed

• chore(deps-dev): bump happy-dom from 14.12.3 to 15.10.2 by @dependabot[bot] in https://github.com/langfuse/langfuse-js/pull/584
• chore: bump vitest and remove outdated esbuild by @hassiebp in https://github.com/langfuse/langfuse-js/pull/587
• feat(tracing): add getActiveTraceID by @hassiebp in https://github.com/langfuse/langfuse-js/pull/589
• feat(tracing): isolated tracer provider by @hassiebp in https://github.com/langfuse/langfuse-js/pull/588

Full Changelog: https://github.com/langfuse/langfuse-js/compare/v4.0.0-beta.2...v4.0.0-beta.3