chore(deps): update babel monorepo to v7.0.0-beta.54 (#129)

Author: renovate[bot]

package.json

@@ -34,11 +34,11 @@
     "scroll-into-view-if-needed": "2.2.11"
   },
   "devDependencies": {
-    "@babel/cli": "7.0.0-beta.53",
-    "@babel/core": "7.0.0-beta.53",
-    "@babel/plugin-external-helpers": "7.0.0-beta.53",
-    "@babel/preset-env": "7.0.0-beta.53",
-    "@babel/preset-typescript": "7.0.0-beta.53",
+    "@babel/cli": "7.0.0-beta.54",
+    "@babel/core": "7.0.0-beta.54",
+    "@babel/plugin-external-helpers": "7.0.0-beta.54",
+    "@babel/preset-env": "7.0.0-beta.54",
+    "@babel/preset-typescript": "7.0.0-beta.54",
     "babel-eslint": "8.2.6",
     "babel-plugin-add-module-exports": "0.2.1",
     "babel-plugin-dev-expression": "0.2.1",