[Feat] Update arneis-social-media.md

[gmacario]

Closes #

📑 Description

✅ Checks

• [x] My pull request adheres to the code style of this project
• [ ] My code requires changes to the documentation
• [x] I have updated the documentation as required
• [x] All the tests have passed

ℹ Additional Information

[gmacario]

@alv67 and @gteti please review and/or integrate, thanks!

[gmacario]

It looks like the failing checks are again due to some issues in markdown-link-check... Let us dig it further