Update hast-util-to-html

Author: greenkeeperio-bot

package.json

@@ -26,7 +26,7 @@
     "browserify": "^13.0.1",
     "deepmerge": "^1.2.0",
     "esmangle": "^1.0.1",
-    "hast-util-to-html": "^2.1.0",
+    "hast-util-to-html": "^3.0.0",
     "hastscript": "^3.0.0",
     "nyc": "^8.3.0",
     "remark-cli": "^2.0.0",