Update requirements.txt with torch, torchvision, and transformers CPU versions

requirements.txt

@@ -5,13 +5,14 @@ srt==3.5.3
 ffmpeg-python==0.2.0
 python-dotenv
 Flask==3.0.3
+numpy>=1.26
+
+# Whisper for audio transcription / subtitles
+openai-whisper==20240930
 
 # PyTorch CPU wheels and transformers (for HF Space)
 --find-links https://download.pytorch.org/whl/cpu/torch_stable.html
 torch==2.2.0+cpu
+torchvision==0.17.0+cpu
 transformers==4.37.2
 
-# PyTorch CPU wheels (needed for torchvision)
---find-links https://download.pytorch.org/whl/cpu/torch_stable.html
-torch==2.2.0+cpu
-torchvision==0.17.0+cpu