langchain-core==0.3.28

Changes since langchain-core==0.3.27

core[patch]: release 0.3.28 (#28837)
core: dont mutate tool_kwargs during tool run (#28824)
fix crash when using create_xml_agent with parameterless function as … (#26002)
core: typo Utilities for tests. -> Utilities for pydantic. (#28814)
core: typo in runnable (#28815)