Bump @babel/plugin-proposal-object-rest-spread from 7.6.2 to 7.7.4

Bumps [@babel/plugin-proposal-object-rest-spread](https://github.com/babel/babel) from 7.6.2 to 7.7.4.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](babel/babel@v7.6.2...v7.7.4)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package-lock.json

@@ -42,7 +42,7 @@
     "@atom/babel7-transpiler": "1.0.0-1",
     "@babel/generator": "7.7.2",
     "@babel/plugin-proposal-class-properties": "7.7.0",
-    "@babel/plugin-proposal-object-rest-spread": "7.6.2",
+    "@babel/plugin-proposal-object-rest-spread": "7.7.4",
     "@babel/preset-env": "7.7.5",
     "@babel/preset-react": "7.7.0",
     "babel-plugin-relay": "5.0.0",