Harmonize CI & files #17

Job	Run time
Tests / Fetch supported versions	7s
Tests / Static analysis	28s
Tests / Up to date versions	3m 49s
Tests / Up to date versions - Special case - Symfony 5.4	3m 1s
Tests / Bare minimum	28s
Tests / Late migration - Symfony	2m 18s
Tests / Bare minimum - Special case - Symfony 5.4	18s
Tests / Late migration - PHP	22s
Tests / Nightly - PHP - With lowest supported Symfony versions	21s
Tests / Nightly - Symfony - With highest supported PHP version	17s
Tests / Nightly - PHP - With highest supported Symfony versions	13s
Tests / Nightly - Symfony - With lowest supported PHP version	13s
Coverage / Fetch triggering workflow metadata	5s
Coverage / Codacy / Upload	12s
Coverage / Codecov / Merge groups by flag	6s
Coverage / Codecov / Upload #2	10s
Coverage / Codecov / Upload #3	9s
Coverage / Codecov / Upload #1	9s
Coverage / Codecov / Upload #6	18s
Coverage / Codecov / Upload #4	14s
Coverage / Codecov / Upload #5	9s
	13m 27s

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