fix(deps): update dependency postcss-scss to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	OpenSSF
postcss-scss	dependencies	major	3.0.5 -> 4.0.9

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Release Notes

postcss/postcss-scss (postcss-scss)

v4.0.9

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• Fixed \r parsing to fix CVE-2023-44270.

v4.0.8

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• Fixed nodes positions (by Ido Rosenthal).

v4.0.7

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• Fixed TypeScript support with moduleResulution: bundler (by Avi Vahl).

v4.0.6

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• Fixed comma parsing (by Jerome Leclanche).

v4.0.5

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• Fixed exports (by @​phoenisx).

v4.0.4

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• Fixed Custom Properties support.

v4.0.3

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• Fixed types (by Daniel Manning).

v4.0.2

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• Fixed at-rules with interpolated parsing (by Natalie Weizenbaum).

v4.0.1

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• Fixed source start line and column (by Ivan Nikolić).

v4.0.0

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