Harmonize CI & files #16

Job	Run time
Tests / Fetch supported versions	5s
Tests / Static analysis	28s
Tests / Up to date versions - Special case - Symfony 5.4	3m 24s
Tests / Bare minimum - Special case - Symfony 5.4	14s
Tests / Late migration - Symfony	2m 20s
Tests / Up to date versions	3m 48s
Tests / Late migration - PHP	20s
Tests / Bare minimum	15s
Tests / Nightly - PHP - With highest supported Symfony versions	13s
Tests / Nightly - Symfony - With highest supported PHP version	25s
Tests / Nightly - PHP - With lowest supported Symfony versions	21s
Tests / Nightly - Symfony - With lowest supported PHP version	14s
Coverage / Fetch triggering workflow metadata	6s
Coverage / Codecov / Merge groups by flag	10s
Coverage / Codacy / Upload	19s
Coverage / Codecov / Upload #1	15s
Coverage / Codecov / Upload #5	12s
Coverage / Codecov / Upload #6	11s
Coverage / Codecov / Upload #2	13s
Coverage / Codecov / Upload #3	17s
Coverage / Codecov / Upload #4	16s
	14m 6s

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