Update nyc

Closes GH-1.

Author: wooorm

package.json

@@ -29,7 +29,7 @@
     "remark": "^6.0.0",
     "remark-cli": "^2.0.0",
     "remark-preset-wooorm": "^1.0.0",
-    "nyc": "^9.0.1",
+    "nyc": "^10.0.0",
     "tape": "^4.6.2",
     "xo": "^0.17.1"
   },