Bump ramsey/composer-install from 3 to 4 (#164) #26

Job	Run time
Functional Tests (8.5, ubuntu-latest, true)	18s
Functional Tests (7.2, ubuntu-latest, false)	16s
Functional Tests (7.2, windows-latest, false)	42s
Functional Tests (8.4, windows-latest, false)	48s
Functional Tests (8.4, ubuntu-latest, false)	16s
	2m 20s

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