Update related_website_sets.JSON

[vbiblij]

Update related_website_sets.JSON

[google-cla]

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[github-actions]

It appears you have failed some tests. Here are your results:
A rationaleBySite field is required for this set, but none is provided.
The listed associated site did not have https://favorit-kiev.com.ua listed as its primary: https://youtube.com
The listed associated site did not have https://favorit-kiev.com.ua listed as its primary: https://doubleclick.net
The listed associated site did not have https://favorit-kiev.com.ua listed as its primary: https://google.com