Add preview release channel #5034

Job	Run time
Javascript	3m 10s
Client	59s
UI (0)	20m 21s
PHP (UnitTests, 7.2, PDO_MYSQL)	2m 28s
UI (1)	13m 59s
PHP (UnitTests, 8.2, MYSQLI)	2m 58s
UI (2)	18m 49s
PHP (UnitTests, 8.3, MYSQLI)	2m 34s
UI (3)	22m 14s
PHP (SystemTestsPlugins, 7.2, PDO_MYSQL)	11m 53s
PHP (SystemTestsPlugins, 8.2, MYSQLI)	12m 39s
PHP (SystemTestsPlugins, 8.3, MYSQLI)	12m 39s
PHP (SystemTestsCore, 7.2, PDO_MYSQL)	7m 58s
PHP (SystemTestsCore, 8.2, MYSQLI)	8m 52s
PHP (SystemTestsCore, 8.3, MYSQLI)	9m 6s
PHP (IntegrationTestsCore, 7.2, PDO_MYSQL)	8m 47s
PHP (IntegrationTestsCore, 8.2, MYSQLI)	11m 54s
PHP (IntegrationTestsCore, 8.3, MYSQLI)	12m 8s
PHP (IntegrationTestsPlugins, 7.2, PDO_MYSQL)	25m 30s
PHP (IntegrationTestsPlugins, 8.2, MYSQLI)	30m 25s
PHP (IntegrationTestsPlugins, 8.3, MYSQLI)	29m 43s
	4h 29m 6s

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