Merge remote-tracking branch 'origin/master'

Tcsm

2023-04-07 5c65abf0df7ec60e97438245a6b930f919c532dc

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var userAgent = require('../internals/engine-user-agent');
 
var firefox = userAgent.match(/firefox\/(\d+)/i);
 
module.exports = !!firefox && +firefox[1];