Downgrade torch

Downgrade torch back to the original version, the dependencies conflict needs to be properly addressed with a package manager:

```
ERROR: Cannot install -r requirements.txt (line 10) and torch==1.13.1 because these package versions have conflicting dependencies.

The conflict is caused by:
The user requested torch==1.13.1
farm-haystack 1.3.0 depends on torch<1.11 and >1.9
```

requirements.txt

@@ -1,6 +1,6 @@
 nltk==3.7
 transformers==4.13.0
-torch==1.13.1
+torch==1.10.2
 librosa==0.9.1
 numpy==1.21
 gradio==2.8.13