Git Hub social media preview not rendered in Codecademy forums

This is gonna be silly, but I couldn’t find nor the reason not the solution:

When I post a link from a repo in my GitHub account in Codecademy, I get a plain link as follows:

https://github.com/Alvaro-LGPA/redux-news-reader.git

Instead a social media card such as this:

Can someone help on how to get my GitHub social media preview to render in Codecademy?
Thanks!