Tests

Bump postcss from 8.4.37 to 8.4.38 #163

Job	Run time
Code Hygiene	2m 4s
Unit tests and Coverage	2m 14s
Integration tests (ubuntu-latest)	4m 29s
Integration tests (windows-latest)	5m 48s
Build tests (ubuntu-latest)	3m 34s
Render tests (ubuntu-latest, 0)	7m 34s
Build tests (windows-latest)	4m 30s
Render tests (ubuntu-latest, 1)	6m 12s
Render tests (ubuntu-latest, 2)	6m 2s
Render tests (windows-latest, 0)	8m 27s
Render tests (windows-latest, 1)	7m 29s
Render tests (windows-latest, 2)	6m 59s
	1h 5m 22s

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