Changes since langchain-tests==0.3.5

standard-tests: release 0.3.6 (#28599) tests[patch]: update API ref for chat models (#28594) standard-tests: root docstrings (#28595) standard-tests: show right classes in api docs (#28591) standard-tests: private members and tools unit troubleshoot (#28590) multiple: combine sync/async vector store standard test suites (#28580) cli[patch]: implement minimal starter vector store (#28577) docs: raw loader codeblock (#28548) core, tests: more tolerant _aget_relevant_documents function (#28462) tests[patch]: run standard tests for embeddings and populate embeddings API ref (#28545)