feat: Make `CheckServerResponseTrait` public and provide as `OCP\SetupCheck\CheckServerResponseTrait` #11288

Job	Run time
changes	6s
integration-sqlite (capabilities_features, 8.1, main)	2m 14s
integration-sqlite (collaboration_features, 8.1, main)	4m 35s
integration-sqlite (comments_features, 8.1, main)	3m 34s
integration-sqlite (dav_features, 8.1, main)	6m 55s
integration-sqlite (features, 8.1, main)	12m 53s
integration-sqlite (federation_features, 8.1, main)	5m 32s
integration-sqlite (--tags ~@large files_features, 8.1, main)	16m 14s
integration-sqlite (filesdrop_features, 8.1, main)	2m 11s
integration-sqlite (openldap_features, 8.1, main)	2m 10s
integration-sqlite (openldap_numerical_features, 8.1, main)	2m 12s
integration-sqlite (ldap_features, 8.1, main)	2m 21s
integration-sqlite (remoteapi_features, 8.1, main)	1m 56s
integration-sqlite (setup_features, 8.1, main)	1m 46s
integration-sqlite (sharees_features, 8.1, main)	4m 44s
integration-sqlite (sharing_features, 8.1, main)	18m 43s
integration-sqlite (videoverification_features, 8.1, main)	6m 53s
integration-sqlite-summary	5s
	1h 35m 4s

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