Allow pip to resolve websockets by relaxing gradio and uvicorn pins

server/requirements.txt

@@ -1,14 +1,12 @@
-openenv-core==0.2.3
-gradio==4.44.1
-pydantic==2.9.2
-pydantic-settings==2.6.1
-fastapi==0.115.4
-uvicorn[standard]==0.32.0
-scikit-learn==1.5.2
-numpy==1.26.4
-openai==1.54.4
-httpx==0.27.0
-python-dotenv==1.0.1
-pandas==2.2.3
-websockets==12.0
-huggingface_hub<0.26.0
+openenv-core>=0.2.3
+gradio>=5.0.0
+pydantic>=2.9.2
+pydantic-settings>=2.6.1
+fastapi>=0.115.4
+uvicorn[standard]>=0.32.1
+scikit-learn>=1.5.2
+numpy>=1.26.4
+openai>=1.54.4
+httpx>=0.27.0
+python-dotenv>=1.0.1
+pandas>=2.0.0