Update it_IT.json

[piplupness]

Italian localization - cheating online FAQ question

Resolves #XXX

Changes:

The string is not yet added to Weblate so I am making a pull request to translate it here.

It adds the italian strings for the cheating question. (i am aware about the approved issue thing)

• [x] I have read and agreed to the Code of Conduct.
• [x] I have read and complied with the contributing guidelines.
• [ ] What I'm implementing was an approved issue.
• [x] I have tested all of my changes.