Update dev-dependencies

Author: wooorm

package.json

@@ -35,12 +35,12 @@
     "browserify": "^14.0.0",
     "esmangle": "^1.0.0",
     "hyperscript": "^2.0.2",
-    "nyc": "^10.0.0",
+    "nyc": "^11.0.0",
     "react": "^15.1.0",
     "react-dom": "^15.5.4",
-    "rehype": "^4.0.0",
-    "remark-cli": "^3.0.0",
-    "remark-preset-wooorm": "^2.0.0",
+    "rehype": "^5.0.0",
+    "remark-cli": "^4.0.0",
+    "remark-preset-wooorm": "^3.0.0",
     "tape": "^4.0.0",
     "unist-builder": "^1.0.1",
     "vdom-to-html": "^2.3.1",