ENH Use updated league/csv api #3476

Job	Run time
CI / Generate matrix	23s
CI / Context	1s
CI / 8.3 prf-low mariadb phpunit framework-core	6m 55s
CI / Check governance	0s
CI / 8.3 mysql80 phpunit framework-core	8m 41s
CI / 8.4 mysql84 phpunit framework-core	7m 42s
CI / 8.3 prf-low mariadb phpunit framework-orm	10m 55s
CI / 8.3 mysql80 phpunit framework-orm	12m 46s
CI / 8.4 mysql84 phpunit framework-orm	12m 38s
CI / 8.3 mysql80 phplinting	2m 46s
CI / 8.3 mysql80 phpunit framework-cache-only inmemorycache	1m 22s
CI / Dispatch tag patch release	0s
	1h 4m 9s

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