Add shortcut for when it can be detected with os.release()

Only when you manually update Ubuntu it seems. See: sindresorhus/open#50 (comment)

Author: sindresorhus

index.js

@@ -1,11 +1,16 @@
 'use strict';
+const os = require('os');
 const fs = require('fs');
 
 const isWsl = () => {
 	if (process.platform !== 'linux') {
 		return false;
 	}
 
+	if (os.release().includes('Microsoft')) {
+		return true;
+	}
+
 	try {
 		return fs.readFileSync('/proc/version', 'utf8').includes('Microsoft');
 	} catch (err) {