chore(deps): update postcss to v8.5.5 (#2055) #959

Job	Run time
Prepare CI	2s
Lint App / biomejs	28s
Tests / Run Tests	4m 26s
Tests / SonarQube Cloud Analysis	1m 9s
Build / Build macOS (electron-builder)	2m 40s
Build / Build Windows (electron-builder)	6m 56s
Build / Build Linux (electron-builder)	4m 33s
	20m 14s

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