v0.1.0rc2

What's Changed

• Fixes associated with feedback endpoint by @eyurtsev in https://github.com/langchain-ai/langserve/pull/593
• 0.1.0rc2 release by @eyurtsev in https://github.com/langchain-ai/langserve/pull/594

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.1.0rc1...v0.1.0rc2