Update babel monorepo to v7.5.4

Author: renovate-bot

package-lock.json

@@ -29,13 +29,13 @@
     "release": "release-it"
   },
   "dependencies": {
-    "@babel/runtime": "7.5.3",
+    "@babel/runtime": "7.5.4",
     "multimatch": "^4.0.0"
   },
   "devDependencies": {
     "@babel/cli": "7.5.0",
     "release-it": "12.3.2",
-    "@babel/core": "7.5.0",
+    "@babel/core": "7.5.4",
     "babel-preset-gatsby-package": "0.2.0",
     "husky": "3.0.0",
     "prettier": "1.17.1",