Fix incorrect link to collab notebook in readme

AH-Merii commented 11 months ago

This PR updates the link to the alphafold notebook. Prior to updating the link it was pointing to the residuals notebook.

[x] Added a note about the modification or contribution to the ./CHANGELOG.md file (if applicable)
[x] Added appropriate unit test functions in the ./graphein/tests/* directories (if applicable)
[x] Modify documentation in the corresponding Jupyter Notebook under ./notebooks/ (if applicable)
[x] Ran python -m py.test tests/ and make sure that all unit tests pass (for small modifications, it might be sufficient to only run the specific test file, e.g., python -m py.test tests/protein/test_graphs.py)
[x] Checked for style issues by running black . and isort .