v2.13.4

What's Changed

• fix: fix formatting for langchain I/O by @maxdeichmann in #368
• fix: add try-catch to Langchain extract model logic to fail gracefully by @maxdeichmann in #373
• fix: improve openai parsing by @maxdeichmann in #375
• feat: add optional param trace.timestamp by @marcklingen in #376
• fix: fix openai integration by @maxdeichmann in #378
• fix: improve langchain integration by @maxdeichmann in #379

Full Changelog: v2.13.3...v2.13.4