[TEST] Test with the dev version of php-css-parser #2302

Job	Run time
Composer Validate (8.3)	12s
PHP Lint (7.3)	14s
PHP Lint (7.4)	12s
PHP Lint (8.0)	8s
PHP Lint (8.1)	8s
PHP Lint (8.2)	9s
PHP Lint (8.3)	7s
PHP Lint (8.4)	8s
Static Analysis (composer:normalize, 8.3)	16s
Unit tests (7.3, highest)	12s
Static Analysis (php:fixer, 8.3)	22s
Unit tests (7.4, highest)	12s
Static Analysis (php:md, 8.3)	27s
Unit tests (8.0, highest)	10s
Static Analysis (php:rector, 8.3)	32s
Unit tests (8.1, highest)	11s
Static Analysis (php:stan, 8.3)	22s
Unit tests (8.2, highest)	18s
Unit tests (8.3, highest)	16s
Unit tests (8.4, highest)	11s
	4m 47s

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