Bump @babel/polyfill from 7.4.0 to 7.8.7

Bumps [@babel/polyfill](https://github.com/babel/babel) from 7.4.0 to 7.8.7.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](babel/babel@v7.4.0...v7.8.7)

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

Author: dependabot-preview[bot]

package.json

@@ -24,7 +24,7 @@
   },
   "homepage": "https://github.com/nimjetushar/angularjs-react#readme",
   "dependencies": {
-    "@babel/polyfill": "7.4.0",
+    "@babel/polyfill": "7.8.7",
     "angular": "1.7.9",
     "angular-ui-router": "1.0.22",
     "bootstrap": "4.3.1",