DEP Update minimum composer versions #578

Job	Run time
CI / Context	1s
CI / Generate matrix	27s
CI / 8.3 prf-low mariadb phpunit all	2m 32s
CI / 8.3 mysql80 phpunit all	2m 57s
CI / 8.4 mysql84 phpunit all	2m 52s
CI / 8.3 mysql80 phplinting	1m 40s
CI / 8.3 mysql80 endtoend root	3m 26s
CI / Check governance	0s
CI / 8.4 mysql84 endtoend root	2m 51s
CI / 8.3 mysql80 js	4m 28s
CI / 8.3 mysql80 doclinting	2m 15s
CI / Dispatch tag patch release	0s
	23m 29s

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