update deps

Author: azu

package.json

@@ -46,8 +46,8 @@
   "dependencies": {
     "object-assign": "^4.0.1",
     "rousseau": "^1.0.0",
-    "textlint-rule-helper": "^1.2.0",
+    "textlint-rule-helper": "^2.0.0",
     "textlint-util-to-string": "^1.2.1",
-    "unist-util-map": "^1.0.1"
+    "unist-util-map": "^1.0.2"
   }
 }