build(deps-dev): bump @babel/preset-env from 7.7.4 to 7.7.6

Bumps [@babel/preset-env](https://github.com/babel/babel) from 7.7.4 to 7.7.6.
- [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/v7.7.4...v7.7.6)

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

package.json

@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.7.2",
-    "@babel/preset-env": "^7.7.4",
+    "@babel/preset-env": "^7.7.6",
     "@babel/register": "^7.7.4",
     "auto-changelog": "^1.16.2",
     "bcryptjs": "^2.4.3",