fix: role type for storage-calculator leader election #1927

Job	Run time
test-suite (active-standby-kubernetes)	15m 31s
test-suite (api)	21m 59s
test-suite (deploytarget)	17m 4s
test-suite (features-kubernetes)	21m 0s
test-suite (features-kubernetes-2)	21m 56s
test-suite (features-variables)	17m 40s
test-suite (services)	18m 59s
test-suite (tasks)	15m 59s
	2h 30m 8s

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