chore(deps-dev): update @babel/preset-env requirement

Updates the requirements on [@babel/preset-env](https://github.com/babel/babel) to permit the latest version.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](babel/babel@v7.5.5...v7.6.0)

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

package.json

@@ -43,7 +43,7 @@
   "repository": "fisker/p-resolvify",
   "devDependencies": {
     "@babel/core": "7.6.0",
-    "@babel/preset-env": "7.5.5",
+    "@babel/preset-env": "7.6.0",
     "@commitlint/cli": "8.1.0",
     "@fisker/commitlint-config": "1.1.2",
     "@fisker/eslint-config": "1.2.17",