Update requirements for Gradio 4.x compatibility

requirements.txt

@@ -1,12 +1,12 @@
-torch==1.13.1
-torchvision==0.14.1
-torchaudio==0.13.1
-numpy==1.23.5
-face_alignment==1.3.0
+torch==2.0.1
+torchvision==0.15.2
+torchaudio==2.0.2
+numpy==1.24.3
+face_alignment==1.3.5
 imageio==2.19.3
 imageio-ffmpeg==0.4.7
-librosa==0.8.0
-numba==0.56.4
+librosa==0.9.2
+numba
 resampy==0.3.1
 pydub==0.25.1 
 scipy
@@ -21,4 +21,5 @@ facexlib==0.3.0
 dlib-bin
 gfpgan
 av
-safetensors
+safetensors
+gradio>=4.0.0