Bump webpack from 5.91.0 to 5.94.0 #613

Job	Run time
ci / Context	1s
ci / Generate matrix	17s
ci / 8.1 prf-low mysql57 phpunit all	5m 25s
ci / Check governance	0s
ci / 8.2 mariadb phpunit all	5m 13s
ci / 8.3 mysql80 phpunit all	7m 17s
ci / 8.1 mysql57 phplinting	2m 0s
ci / 8.1 mysql57 endtoend root job1	5m 12s
ci / 8.3 mysql80 endtoend root job1	6m 31s
ci / 8.1 mysql57 endtoend root job2	7m 28s
ci / 8.3 mysql80 endtoend root job2	7m 59s
ci / 8.1 mysql57 js	4m 25s
ci / 8.1 mysql57 doclinting	2m 38s
ci / Dispatch tag patch release	0s
	54m 26s

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