chore(deps): update dependency @babel/preset-env to v7.7.6

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
@babel/preset-env (source)	devDependencies	patch	7.7.5 -> 7.7.6

---

Release Notes

babel/babel

### [`v7.7.6`](https://togithub.com/babel/babel/blob/master/CHANGELOG.md#v776-2019-12-08) [Compare Source](https://togithub.com/babel/babel/compare/v7.7.5...v7.7.6) ##### :house: Internal - [#​10836](https://togithub.com/babel/babel/pull/10836) chore: add PR Revert labels to changelog [ci-skip]([@​JLHwung](https://togithub.com/JLHwung)) ##### :leftwards_arrow_with_hook: Revert - `babel-plugin-transform-modules-commonjs`, `babel-plugin-transform-regenerator`, `babel-plugin-transform-runtime`, `babel-preset-env`, `babel-runtime-corejs2` - [#​10835](https://togithub.com/babel/babel/pull/10835) Revert "Add ".js" extension to injected polyfill imports" ([@​JLHwung](https://togithub.com/JLHwung))

---

Renovate configuration

:date: Schedule: At any time (no schedule defined).

:vertical_traffic_light: Automerge: Enabled.

:recycle: Rebasing: Whenever PR becomes conflicted, or if you modify the PR title to begin with "rebase!".

:no_bell: Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

Newsflash: Renovate has joined WhiteSource, and is now free for all use. Learn more or view updated terms and privacy policies.