Harmonize CI (#27) #30

Job	Run time
Tests / Fetch supported versions	3s
Tests / Static analysis	24s
Tests / PHP 8.4 & Sf 5.4 - Up to date versions - Sf 5.4 case	3m 2s
Tests / PHP 8.0 & Sf 4.4 - Bare minimum	21s
Tests / PHP 8.1 & Sf 6.4 - Late PHP migration	19s
Tests / PHP 8.4 & Sf 6.4 - Up to date versions	4m 15s
Tests / PHP 8.4 & Sf 4.4 - Late Symfony migration	2m 9s
Tests / PHP 8.0 & Sf 5.4 - Bare minimum - Sf 5.4 case	18s
Tests / Nightly - PHP 8.5 & Sf 4.4 - PHP with lowest supported Symfony versions	18s
Tests / Nightly - PHP 8.2 & Sf 7.0 - Symfony with lowest supported PHP version	16s
Tests / Nightly - PHP 8.5 & Sf 6.4 - PHP with highest supported Symfony versions	17s
Tests / Nightly - PHP 8.4 & Sf 7.0 - Symfony with highest supported PHP version	14s
	11m 56s

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