fix: Lower starlette required version to >=0.37.2

Fixes #101

Author: holtskinner

pyproject.toml

@@ -16,7 +16,7 @@ dependencies = [
     "opentelemetry-sdk>=1.33.0",
     "pydantic>=2.11.3",
     "sse-starlette>=2.3.3",
-    "starlette>=0.46.2",
+    "starlette>=0.37.2",
     "grpcio>=1.60",
     "grpcio-tools>=1.60",
     "grpcio_reflection>=1.7.0",