added ext-pdo_mysql (#4350) #5609

Job	Run time
Debug	1s
Check files / Changed	12s
Composer / Validation	13s
Code-QL / Analyze (javascript)	4m 6s
XML Syntax / XML Validation	16s
PHPStan / Analyze (ubuntu-latest, 7.4)	5m 48s
PHP CS Fixer / Validation	2m 56s
PHPStan / Analyze (ubuntu-latest, 8.4)	3m 24s
PHPMD / Mess Detector	6m 54s
PHP CS / Default	4m 1s
PHP CS / Ecg	5m 35s
PHP CS / PhpCompatibility	5m 54s
PHP Syntax	0s
Unit Tests (OpenMage)	0s
Rector	0s
	39m 20s

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