fix: upgrade langchain from 0.1.37 to 0.2.10

Snyk has created this PR to upgrade langchain from 0.1.37 to 0.2.10.

See this package in npm:
langchain

See this project in Snyk:
https://app.snyk.io/org/zeroxclem/project/d7a8702b-034c-4134-9a3c-136c924d283b?utm_source=github&utm_medium=referral&page=upgrade-pr

apps/api/package.json

@@ -71,7 +71,7 @@
     "joplin-turndown-plugin-gfm": "^1.0.12",
     "json-schema-to-zod": "^2.1.0",
     "keyword-extractor": "^0.0.25",
-    "langchain": "^0.1.25",
+    "langchain": "^0.2.10",
     "languagedetect": "^2.0.0",
     "logsnag": "^0.1.6",
     "luxon": "^3.4.3",