fix(deps): update dependency react-scripts to v2.1.8

Author: renovate-bot

src/templates/React InstantSearch/package.json

@@ -13,7 +13,7 @@
     "react": "16.6.3",
     "react-dom": "16.6.3",
     "react-instantsearch-dom": "{{libraryVersion}}",
-    "react-scripts": "2.1.1"
+    "react-scripts": "2.1.8"
   },
   "devDependencies": {
     "eslint": "5.6.0",