Merge remote-tracking branch 'origin/master'

doum

2026-04-29 59b1f0e9967902aa10f5e017d5a0bdfd1b60c9ea

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