Bump @babel/core from 7.8.4 to 7.8.6 (#30316)

Bumps [@babel/core](https://github.com/babel/babel) from 7.8.4 to 7.8.6.
- [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/v7.8.4...v7.8.6)

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

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

package.json

@@ -91,7 +91,7 @@
   },
   "devDependencies": {
     "@babel/cli": "^7.8.4",
-    "@babel/core": "^7.8.4",
+    "@babel/core": "^7.8.6",
     "@babel/plugin-proposal-object-rest-spread": "^7.8.3",
     "@babel/preset-env": "^7.8.4",
     "@rollup/plugin-commonjs": "^11.0.2",