dep-up: 📦 Update dependency postcss to ^8.4.19 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
postcss (source)	^8.4.18 -> ^8.4.19

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Release Notes

postcss/postcss

### [`v8.4.19`](https://togithub.com/postcss/postcss/blob/HEAD/CHANGELOG.md#​8419) [Compare Source](https://togithub.com/postcss/postcss/compare/8.4.18...8.4.19) - Fixed whitespace preserving after AST transformations (by Romain Menke).

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

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

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

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