Update ignore to version 6.0.2

Author: depfu[bot]

package.json

@@ -20,7 +20,7 @@
     "escodegen": "^2.0.0",
     "esprima": "^4.0.0",
     "estraverse": "^5.2.0",
-    "ignore": "^5.0.3",
+    "ignore": "^6.0.2",
     "pkg-up": "^3.0.1"
   },
   "peerDependencies": {