chore(deps): update dependency babel-core to v6.26.3

Author: renovate-bot

package.json

@@ -25,7 +25,7 @@
   "author": "Michael Lancaster",
   "license": "GPL-3.0",
   "devDependencies": {
-    "babel-core": "6.24.1",
+    "babel-core": "6.26.3",
     "babel-loader": "^7.0.0",
     "babel-preset-es2015": "^6.22.0",
     "babel-preset-react": "^6.23.0",