build(deps-dev): Bump @babel/core from 7.6.4 to 7.7.0

Bumps [@babel/core](https://github.com/babel/babel) from 7.6.4 to 7.7.0.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](babel/babel@v7.6.4...v7.7.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

packages/babel-transpiler/package.json

@@ -54,7 +54,7 @@
   },
   "devDependencies": {
     "@babel/cli": "~7.6.0",
-    "@babel/core": "~7.6.0",
+    "@babel/core": "~7.7.0",
     "@babel/plugin-transform-typescript": "^7.3.2",
     "@babel/preset-env": "~7.6.2",
     "@babel/preset-flow": "^7.0.0",