Bump @babel/cli from 7.6.2 to 7.6.3 (#6117)

Bumps [@babel/cli](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](https://github.com/babel/babel/compare/v7.6.2...v7.6.3)

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

package.json

@@ -56,7 +56,7 @@
     "ws": "7.1.2"
   },
   "devDependencies": {
-    "@babel/cli": "7.6.2",
+    "@babel/cli": "7.6.3",
     "@babel/core": "7.6.2",
     "@babel/plugin-proposal-object-rest-spread": "7.6.2",
     "@babel/plugin-transform-flow-strip-types": "7.4.4",