Describe the issue linked to the documentation

https://raw.githubusercontent.com/scikit-learn/scikit-learn/main/doc/logos/README.md

cc: @thomasjpfan

Suggest a potential alternative/fix

Update link for logo 3 so it's this one:
https://github.com/scikit-learn/scikit-learn/blob/main/doc/logos/scikit-learn-logo-without-subtitle.svg