Update pre-requirements.txt

pre-requirements.txt

@@ -1,8 +1,7 @@
-numpy>=1.14.3
-pandas>=0.22
-tensorflow==2.2
-h5py>=2.8
-scipy>=1.1
-scikit-learn>=0.20
-tqdm>=4.26
-torch
+pandas==2.0.1
+torch==2.0.1
+gradio==3.29.0
+tensorflow==2.12.0
+sierraecg==0.2.1
+ecg_plot==0.2.8
+scipy==1.10.1