Revert "chore(deps): update langchain-community requirement"

This reverts commit e8c4758.

Author: liuruibin

pyproject.toml

@@ -12,7 +12,7 @@ djangorestframework = "^3.15.2"
 drf-yasg = "1.21.7"
 django-filter = "23.2"
 langchain = "0.2.16"
-langchain_community = "0.2.17"
+langchain_community = "0.2.4"
 langchain-huggingface = "^0.0.3"
 psycopg2-binary = "2.9.7"
 jieba = "^0.42.1"