Update dev-dependencies

Author: wooorm

index.js

@@ -1,2 +1,2 @@
-exports.fromMarkdown = require('./from-markdown')
-exports.toMarkdown = require('./to-markdown')
+exports.fromMarkdown = require('./from-markdown.js')
+exports.toMarkdown = require('./to-markdown.js')

package.json

@@ -42,11 +42,11 @@
     "micromark-extension-gfm-task-list-item": "^0.3.0",
     "nyc": "^15.0.0",
     "prettier": "^2.0.0",
-    "remark-cli": "^9.0.0-alpha.1",
+    "remark-cli": "^9.0.0",
     "remark-preset-wooorm": "^8.0.0",
     "tape": "^5.0.0",
     "unist-util-remove-position": "^3.0.0",
-    "xo": "^0.36.0"
+    "xo": "^0.38.0"
   },
   "scripts": {
     "format": "remark . -qfo && prettier . -w --loglevel warn && xo --fix",