Bump @babel/runtime from 7.7.2 to 7.7.4 (#12472)

Bumps [@babel/runtime](https://github.com/babel/babel/tree/HEAD/packages/babel-runtime) from 7.7.2 to 7.7.4.
- [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/v7.7.4/packages/babel-runtime)

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

package.json

@@ -70,7 +70,7 @@
     "@babel/plugin-transform-runtime": "^7.7.4",
     "@babel/preset-env": "^7.7.1",
     "@babel/preset-react": "^7.7.0",
-    "@babel/runtime": "^7.7.2",
+    "@babel/runtime": "^7.7.4",
     "@clusterws/cws": "^0.16.0",
     "array-includes": "^3.0.3",
     "arrow-key-navigation": "^1.0.2",