langchain-text-splitters==0.3.9

Changes since langchain-text-splitters==0.3.8

fix(text-splitters): update langchain-core version to 0.3.72
fix(text-splitters): update lock for release
fix(langchain): class HTMLSemanticPreservingSplitter ignores the text inside the div tag (#32213)
feat(text-splitters): add Visual Basic 6 support (#31173)
text-splitters: Add ruff rules FBT (#31935)
text splitters: add chunk_size and chunk_overlap validations (#31916)
fix: automatically fix issues with ruff (#31897)
text-splitters: Ruff autofixes (#31858)
text-splitters: Bump ruff version to 0.12 (#31866)
text-splitters: bump spacy version to 3.8.7 (#31834)
text-splitters: Add ruff rule UP (pyupgrade) (#31841)
text-splitters: 0.3.9 (#31844)
security: Remove xslt_path and harden XML parsers in HTMLSectionSplitter: package: langchain-text-splitters (#31819)
text-splitters: fix stale header metadata in ExperimentalMarkdownSyntaxTextSplitter (#31622)
chore: Bump langsmith in splitter uv (#31626)
text-splitters: Add keep_separator arg to HTMLSemanticPreservingSplitter (#31588)
text-splitters[patch]: fix some import-untyped errors (#31030)
text-splitters: Fix regex separator merge bug in CharacterTextSplitter (#31137)
packaging: remove Python upper bound for langchain and co libs (#31025)
text-splitters: Set strict mypy rules (#30900)