fix(package): update micromatch to version 4.0.0

Author: greenkeeper[bot]

package.json

@@ -24,7 +24,7 @@
     "fs-extra": "^7.0.0",
     "globby": "^9.0.0",
     "lodash": "^4.17.4",
-    "micromatch": "^3.1.4",
+    "micromatch": "^4.0.0",
     "p-reduce": "^2.0.0"
   },
   "devDependencies": {