feat: turn off renku legacy project dataset creation #14627

Job	Run time
Analyze deploy string	5s
Deploy	5m 5s
Cleanup	0s
Cypress tests (groupBasics)	1m 53s
Cypress tests (dashboardV2)	2m 3s
Cypress tests (anonymousNavigation)	1m 40s
Cypress tests (projectResources)	1m 49s
Cypress tests (projectBasics)	1m 17s
Cypress tests (searchEntities)	1m 25s
Cypress tests (sessionBasics)	2m 45s
Legacy Cypress tests	-1s
	18m 1s

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