build(deps-dev): bump @babel/core from 7.6.2 to 7.6.3

Bumps [@babel/core](https://github.com/babel/babel) from 7.6.2 to 7.6.3.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](babel/babel@v7.6.2...v7.6.3)

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

package.json

@@ -14,7 +14,7 @@
     "access": "public"
   },
   "devDependencies": {
-    "@babel/core": "7.6.2",
+    "@babel/core": "7.6.3",
     "@babel/plugin-proposal-class-properties": "7.5.5",
     "@babel/preset-env": "7.6.2",
     "@commitlint/cli": "8.2.0",