chore(deps): update dependency langchain-community to v0.3.27 [security]

Author: renovate-bot

requirements.txt

@@ -1,5 +1,5 @@
 langchain==0.3.4
-langchain-community==0.3.3
+langchain-community==0.3.27
 numpy==1.26.4
 SQLAlchemy==2.0.36
 cloud-sql-python-connector[pymysql]==1.13.0