chore(deps): update dependency langchain-community to v0.3.1

| datasource | package             | from   | to    |
| ---------- | ------------------- | ------ | ----- |
| pypi       | langchain-community | 0.2.11 | 0.3.1 |

src/leapfrogai_api/pyproject.toml

@@ -17,7 +17,7 @@ dependencies = [
     "leapfrogai_sdk",
     "supabase == 2.6.0",
     "langchain == 0.2.12",
-    "langchain-community == 0.2.11",
+    "langchain-community ==0.3.1",
     "unstructured[md,xlsx,pptx] ==0.15.13", # Only specify necessary filetypes to prevent package bloat (e.g. 130MB vs 6GB)
     "nltk == 3.9.1",                        # Required for pickled code containing .pptx parsing dependencies
     "pylibmagic == 0.5.0",                  # Resolves issue with libmagic not being bundled with OS - https://github.com/ahupp/python-magic/issues/233, may not be needed after this is merged https://github.com/ahupp/python-magic/pull/294