Fix namespaced-role.yaml separator for multiple roleNamespaces #1054

Job	Run time
typos_check	9s
vale_check	6s
changed_files	8s
install chart	5m 6s
install chart and run session (with license-server)	6m 38s
install chart and run session (1)	1m 39s
install chart and run session (3)	1m 36s
sanity render chart	5s
towncrier_check	10s
check versions and appVersions equal	7s
ci-success	3s
	15m 47s

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