Update dependency postcss to v8.4.13 - autoclosed

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
postcss (source)	8.4.12 -> 8.4.13

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Release Notes

postcss/postcss

v8.4.13

Compare Source

• Fixed append() error after using .parent (by Jordan Pittman).

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Configuration

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