Auto merge of #22249 - Darkspirit:public_suffix_list, r=jdm
Auto merge of #22249 - Darkspirit:public_suffix_list, r=jdm

Update public_domains.txt

Made with `./mach update-pub-domains`.
It was created on 9 Jun 2016 and never updated since then.

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- [x] `./mach test-tidy` does not report any errors

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