Bump @babel/plugin-syntax-object-rest-spread from 7.7.4 to 7.8.3

Bumps [@babel/plugin-syntax-object-rest-spread](https://github.com/babel/babel) from 7.7.4 to 7.8.3.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](babel/babel@v7.7.4...v7.8.3)

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

package.json

@@ -31,7 +31,7 @@
   },
   "devDependencies": {
     "@babel/core": "7.8.0",
-    "@babel/plugin-syntax-object-rest-spread": "7.7.4",
+    "@babel/plugin-syntax-object-rest-spread": "7.8.3",
     "@babel/plugin-transform-spread": "7.8.3",
     "@babel/preset-env": "7.8.2",
     "@camptocamp/babel-plugin-angularjs-annotate": "0.8.2",