Merge pull request #248 from optimizely/sourav/fixVurns-2

[CJS-9305] Update highlight js, node-sass dependencies to resolve vulnerabilities

Author: mahadi-sourav

docs/package.json

@@ -37,9 +37,9 @@
     "babel-core": "^5.5.8",
     "babel-loader": "^5.1.4",
     "css-loader": "^0.14.5",
-    "highlight.js": "^8.6.0",
+    "highlight.js": "^10.4.1",
     "load-grunt-config": "^0.17.1",
-    "node-sass": "^3.2.0",
+    "node-sass": "^7.0.0",
     "react": "^0.14.0",
     "react-highlight": "^0.4.1",
     "react-prism": "^1.4.1",