chore(deps): bump helm/chart-testing-action from 2.4.0 to 2.6.0 and fix lint command #1401

Job	Run time
test-suite (active-standby-kubernetes)	6m 8s
test-suite (api)	6m 11s
test-suite (deploytarget)	6m 9s
test-suite (features-kubernetes)	6m 9s
test-suite (features-kubernetes-2)	6m 7s
test-suite (features-variables)	6m 10s
test-suite (services)	6m 9s
test-suite (tasks)	6m 9s
	49m 12s

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