fix(deps): update dependency langchain to ~=0.2.5

Author: jenkins-super-ai[bot]

setup.py

@@ -126,7 +126,7 @@
     "google-search-results",
     "jiwer",
     "jupyter",
-    "langchain~=0.0.130",
+    "langchain~=0.2.5",
     "numpy~=1.24.2",
     "openpyxl",
     "orjson",