chore(package): update dependencies (#2)

https://greenkeeper.io/

Author: greenkeeper[bot]

package.json

@@ -45,14 +45,14 @@
     "remark": "^6.2.0",
     "remark-cli": "^2.1.0",
     "remark-comment-config": "^4.0.1",
-    "remark-github": "^6.0.0",
+    "remark-github": "^6.0.1",
     "remark-lint": "^5.4.0",
     "remark-parse": "^2.2.0",
     "remark-stringify": "^2.3.0",
     "remark-usage": "^4.0.0",
     "remark-validate-links": "^5.0.0",
     "tape": "^4.6.0",
-    "xo": "^0.16.0"
+    "xo": "^0.17.0"
   },
   "xo": {
     "space": 4,