mitigate CVE-2025-62727 for starlette

Author: nagmesh

pyproject.toml

@@ -26,7 +26,7 @@ dependencies = [
     "httpx>=0.27.1",
     "httpx-sse>=0.4",
     "pydantic>=2.11.0,<3.0.0",
-    "starlette>=0.27",
+    "starlette>=0.49.1",
     "python-multipart>=0.0.9",
     "sse-starlette>=1.6.1",
     "pydantic-settings>=2.5.2",