Langchain-sema4

What's Changed
* release permissions by efriis in https://github.com/langchain-ai/langchain-sema4/pull/2
* sema4[minor]: update to support core 0.3, pydantic 2, release 0.2.0 by baskaryan in https://github.com/langchain-ai/langchain-sema4/pull/3

New Contributors
* baskaryan made their first contribution in https://github.com/langchain-ai/langchain-sema4/pull/3

**Full Changelog**: https://github.com/langchain-ai/langchain-sema4/compare/libs/sema4/v0.1.0...libs/sema4/v0.2.0

What's Changed
* sema4: init package by efriis in https://github.com/langchain-ai/langchain-sema4/pull/1

New Contributors
* efriis made their first contribution in https://github.com/langchain-ai/langchain-sema4/pull/1

**Full Changelog**: https://github.com/langchain-ai/langchain-sema4/commits/libs/sema4/v0.1.0