MNT Update testing-library/react #748

Job	Run time
ci / Context	1s
ci / Generate matrix	12s
ci / Check governance	0s
ci / 8.3 prf-low mariadb phpunit all	3m 30s
ci / 8.3 mysql80 phpunit all	4m 2s
ci / 8.4 mysql84 phpunit all	3m 28s
ci / 8.3 mysql80 phplinting	1m 53s
ci / 8.3 mysql80 endtoend root job1	7m 14s
ci / 8.4 mysql84 endtoend root job1	6m 20s
ci / 8.3 mysql80 endtoend root job2	10m 37s
ci / 8.4 mysql84 endtoend root job2	8m 45s
ci / 8.3 mysql80 js	4m 1s
ci / 8.3 mysql80 doclinting	2m 26s
ci / Dispatch tag patch release	0s
	52m 29s

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