0.3.0dev1 release

[eyurtsev]

A dev release of langserve was just released. This is a preview release for users that would like to test their code ahead of the langchain 0.3.0 release which will occur later this week. The 0.3.0 release uses pydantic 2 internally instead of pydantic 1. This means that openapi docs will now be generated with pydantic 2!

https://github.com/langchain-ai/langserve/releases/tag/v0.3.0dev1

pip install --upgrade --pre langchain-core langchain-openai langserve

Please see this discussion for more details: langchain-ai/langchain#26180

[eyurtsev]

0.3.0 has now been released!