fix: pin starlette<0.41 — gradio 4.44.1 incompatible with new TemplateResponse signature

requirements.txt

@@ -3,6 +3,11 @@ gradio==4.44.1
 gradio-client==1.3.0
 pydantic>=2.9,<2.10
 huggingface_hub>=0.26,<1.0
+# Pin starlette to a version where TemplateResponse(name, context) still
+# works — starlette 0.41+ swapped the signature to (request, name, context)
+# which breaks gradio 4.44.1's jinja2 cache key (TypeError: unhashable dict).
+starlette>=0.36,<0.41
+jinja2>=3.1,<3.2
 
 # Backend / IO
 fastapi>=0.115