Relax huggingface_hub pin to <1.0 to satisfy transformers 4.55-4.57

requirements.txt

@@ -3,7 +3,10 @@
 
 gradio>=6.17.3
 spaces>=0.30.0
-huggingface_hub>=1.2
+# huggingface_hub: pinned <1.0 because transformers 4.55-4.57 (our pin below
+# to match the MiniCPM bundled modeling code) requires huggingface_hub<1.0.
+# That window also satisfies gradio's <2.0,>=0.33.5 requirement.
+huggingface_hub>=0.34.0,<1.0
 pydantic>=2.7
 websockets>=14.0
 fastapi