Respect --silent flag

Hey there, thanks a lot for the beautiful tool! Can you please improve the warning about outdated caniuse-lite version? At the moment it doesn't respect --silent flag and print messages in the console: https://github.com/browserslist/browserslist/blob/4db22aed0f0453b73fabc87264bf7210d101075b/node.js#L373-L378

https://docs.npmjs.com/misc/config#loglevel