Bump symfony/polyfill-php80 from 1.30.0 to 1.31.0 #4936

Job	Run time
Debug	1s
Check files / Changed	11s
XML Syntax	0s
Composer / Validation	8s
Code-QL / Analyze (javascript)	1m 57s
PHP CS / Default	4m 0s
PHPStan / Analyze (ubuntu-latest, 7.4)	5m 3s
PHP CS / Ecg	2m 12s
PHP CS Fixer / Validation	3m 1s
PHPStan / Analyze (ubuntu-latest, 8.4)	2m 50s
PHP CS / PhpCompatibility	5m 40s
PHP Syntax	0s
Unit Tests (Sonar)	0s
Unit Tests (OpenMage)	0s
	25m 3s

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