Changes since langchain-text-splitters==0.3.9
chore(text-splitters): bump version of core (#32740)
chore(text-splitters): relax max bound for langchain-core (#32739)
chore: adress pytest-asyncio deprecation warnings + other nits (#32696)
docs(docs): fixed typos in documentations (#32661)
chore(text-splitters): add mypy pydantic plugin (#32611)
feat(text-splitters): add optional custom header pattern support (#31887)
chore(text-splitters): add mypy warn_unreachable (#32558)
docs: update outdated README.md content (#32540)
chore(text-splitters): bump mypy version to 1.17 (#32387)
feat(text-splitters): ruff fixes and rules (#32502)
chore: formatting across codebase (#32466)
fix: formatting issues in docstrings (#32265)
feat(docs): improve devx, fix Makefile targets (#32237)