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

@@ -36,14 +36,14 @@
   },
   "devDependencies": {
     "mdast-util-from-markdown": "^0.8.0",
-    "mdast-util-to-markdown": "^0.5.0",
+    "mdast-util-to-markdown": "^0.6.0",
     "nyc": "^15.0.0",
     "prettier": "^2.0.0",
     "remark-cli": "^9.0.0",
     "remark-preset-wooorm": "^8.0.0",
     "tape": "^5.0.0",
     "unist-util-remove-position": "^3.0.0",
-    "xo": "^0.35.0"
+    "xo": "^0.37.0"
   },
   "scripts": {
     "format": "remark . -qfo && prettier . -w --loglevel warn && xo --fix",