feat(css): Add CSS Values Level 4 `cos()` compatibility data (#17205)
feat(css): Add CSS Values Level 4 `cos()` compatibility data (#17205)

* feat(css): Add CSS Values Level 4 `cos()` compatibility data

* Update cos.json
chrisdavidmills/browser-compat-data,mdn/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data