Links from documentation seem broken

[masadcv]

When looking at specfic metric in documentation, some links to github source code seem to be broken.

For example,

On: https://torchmetrics.readthedocs.io/en/stable/regression/mean_squared_error.html

When I click on source for MeanSquaredError, it leads me to following error page:

I am unsure currently if this affects any other metric/description in docs.

[github-actions[bot]]

Hi! thanks for your contribution!, great first issue!

[SkafteNicki]

Duplicate of #1122

[SkafteNicki]

Closing in favour of #1122.