build(deps-dev): update @babel/core requirement from 7.0.0-rc.2 to 7.…

…0.0-rc.3 (#332)

Updates the requirements on [@babel/core](https://github.com/babel/babel) to permit the latest version.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.0.0-rc.3)

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

package.json

@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "@after-work.js/cli": "file:commands/cli",
-    "@babel/core": "7.0.0-rc.2",
+    "@babel/core": "7.0.0-rc.3",
     "@babel/plugin-transform-react-jsx": "7.0.0-rc.2",
     "@babel/preset-env": "7.0.0-rc.2",
     "@babel/register": "7.0.0-rc.2",