Bump @babel/preset-env from 7.8.4 to 7.8.6

Bumps [@babel/preset-env](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>

package.json

@@ -22,7 +22,7 @@
     "@babel/cli": "^7.8.4",
     "@babel/core": "^7.8.4",
     "@babel/polyfill": "^7.8.3",
-    "@babel/preset-env": "^7.8.4",
+    "@babel/preset-env": "^7.8.6",
     "@babel/register": "^7.8.3",
     "@sentry/node": "^5.12.5",
     "apple-music-jwt": "^0.2.0",