Update dependency autoprefixer to v10.2.3

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
autoprefixer	10.2.1 -> 10.2.3

---

Release Notes

postcss/autoprefixer

### [`v10.2.3`](https://togithub.com/postcss/autoprefixer/blob/master/CHANGELOG.md#​1023) [Compare Source](https://togithub.com/postcss/autoprefixer/compare/10.2.2...10.2.3) - Fixed PostCSS 8 support. ### [`v10.2.2`](https://togithub.com/postcss/autoprefixer/blob/master/CHANGELOG.md#​1022) [Compare Source](https://togithub.com/postcss/autoprefixer/compare/10.2.1...10.2.2) - Fixed PostCSS 8 plugins compatibility.

---

Renovate configuration

:date: Schedule: "every weekday" (UTC).

:vertical_traffic_light: Automerge: Enabled.

:recycle: Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

: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

---

This PR has been generated by WhiteSource Renovate. View repository job log here.