Add missing translation to bottom of Settings > Performance page #7232868

Created on 2022-04-22, translation required by 2022-04-24 (784 days ago.)

Translations Glossary

Original string	ar	de	es	fr	he	id	it	ja	ko	nl	pt-br	ru	sv	tr	zh-cn	zh-tw
Learn more about site speed and performance	☑	☑	☑	☑	☑	☑	☑	☑	☑	☑	☑	☑	☑	☑	☑	☑

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