FIX Update HTML markup for bootstrap 5 (#1364) #882

Job	Run time
CI / Context	1s
CI / Generate matrix	21s
CI / Check governance	1s
CI / 8.3 prf-low mariadb phpunit all	3m 23s
CI / 8.3 mysql80 phpunit all	4m 26s
CI / 8.4 mysql84 phpunit all	4m 2s
CI / 8.3 mysql80 phplinting	2m 5s
CI / 8.3 mysql80 endtoend root	5m 53s
CI / 8.4 mysql84 endtoend root	5m 1s
CI / 8.3 mysql80 js	3m 42s
CI / 8.3 mysql80 doclinting	2m 48s
CI / Dispatch tag patch release	2s
	31m 45s

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