[BUG] By default pip install lighteval is installing the cpu only torch version , its killing dependencies.

## Describe the bug
"pip install lighteval"

installs just cpu version of torch.

## To Reproduce
pip install lighteval

pip list | grep torch

## Expected behavior
pip install lighteval should check gpu config and install the torch accordingly.

## Version info
lighteval =v0.7, issue happens on both conda/pip irrespective of version