fix: Change UserAgent to *cloud #15962

Job	Run time
changes	6s
integration-sqlite (capabilities_features, 8.1, main)	1m 52s
integration-sqlite (collaboration_features, 8.1, main)	3m 26s
integration-sqlite (comments_features, 8.1, main)	2m 16s
integration-sqlite (dav_features, 8.1, main)	5m 55s
integration-sqlite (features, 8.1, main)	6m 43s
integration-sqlite (federation_features, 8.1, main)	2m 58s
integration-sqlite (--tags ~@large files_features, 8.1, main)	9m 22s
integration-sqlite (filesdrop_features, 8.1, main)	1m 23s
integration-sqlite (openldap_features, 8.1, main)	1m 56s
integration-sqlite (openldap_numerical_features, 8.1, main)	1m 54s
integration-sqlite (ldap_features, 8.1, main)	2m 25s
integration-sqlite (remoteapi_features, 8.1, main)	2m 15s
integration-sqlite (setup_features, 8.1, main)	1m 9s
integration-sqlite (sharees_features, 8.1, main)	4m 20s
integration-sqlite (sharing_features, 8.1, main)	11m 25s
integration-sqlite (videoverification_features, 8.1, main)	3m 50s
integration-sqlite-summary	5s
	1h 3m 20s

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