bump pydantic version floor

Author: dlqqq

packages/jupyter-ai-magics/pyproject.toml

@@ -26,7 +26,8 @@ dependencies = [
     "importlib_metadata>=5.2.0",
     "langchain>=0.3.0,<0.4.0",
     "langchain_community>=0.3.0,<0.4.0",
-    "pydantic~=2.0",
+    # pydantic>=2.7.4 is required by langchain v0.3
+    "pydantic>=2.7.4,<3",
     "typing_extensions>=4.5.0",
     "click~=8.0",
     "jsonpath-ng>=1.5.3,<2",

packages/jupyter-ai/pyproject.toml

@@ -27,7 +27,8 @@ dependencies = [
     "jupyter_server>=2.4,<3",
     "aiosqlite>=0.18",
     "importlib_metadata>=5.2.0",
-    "pydantic~=2.0",
+    # pydantic>=2.7.4 is required by langchain v0.3
+    "pydantic>=2.7.4,<3",
     "jupyter_ai_magics>=2.13.0",
     "dask[distributed]",
     # faiss-cpu is not distributed by the official repo.