fix(package): update browserslist to version 4.4.0

Author: greenkeeper[bot]

package.json

@@ -25,7 +25,7 @@
 		"lint": "eslint --cache lib bin/* test test/bin/* && echo ✓"
 	},
 	"dependencies": {
-		"browserslist": "~4.3.4",
+		"browserslist": "~4.4.0",
 		"minimist": "~1.2.0",
 		"mkdirp": "~0.5.1",
 		"nite-owl": "~5.0.0"