chore(package): update highlight.js to version 10.0.3

Closes #365

Author: greenkeeper[bot]

package.json

@@ -78,7 +78,7 @@
     "docco": "^0.8.0",
     "done-serve": "^2.0.0",
     "gh-pages": "^2.0.1",
-    "highlight.js": "^9.15.7",
+    "highlight.js": "^10.0.3",
     "jshint": "^2.9.1",
     "steal": "^1.0.0",
     "steal-qunit": "^2.0.0",