Documentation copyright year is 2023

### 📚 The doc issue

https://pytorch.org/docs/stable/index.html, etc.:
```
© Copyright 2023, PyTorch Contributors.
```

### Suggest a potential alternative/fix

```
© Copyright 2024, PyTorch Contributors.
```

cc @svekars @brycebortree @sekyondaMeta