Update requirements.txt

requirements.txt

@@ -1,8 +1,8 @@
-gradio==4.0.0
-openai==1.3.0
-python-dotenv==1.0.0
-numpy>=1.24.0
-typing-extensions>=4.5.0
-httpx==0.24.1
-pydantic==2.0.0
-requests>=2.31.0 
+gradio==3.50.2
+openai==0.28.1
+python-dotenv==0.21.1
+numpy==1.24.3
+typing-extensions==4.5.0
+httpx==0.23.3
+pydantic==1.10.8
+requests==2.28.2