Update bootstrap to the latest version 🚀 (#27)

Author: greenkeeper[bot]

package.json

@@ -49,7 +49,7 @@
   },
   "dependencies": {
     "@emdaer/meta": "^3.0.0",
-    "bootstrap": "4.1.0",
+    "bootstrap": "4.1.1",
     "gatsby": "^1.9.118",
     "gatsby-link": "^1.6.24",
     "gatsby-plugin-glamor": "^1.6.8",