chore: Make dashboard configurations overridable (#232) #511

Job	Run time
Get example directories	8s
Plan examples (examples/managed-grafana-workspace)	2m 10s
Plan examples (examples/eks-istio)	2m 11s
Plan examples (examples/eks-multicluster)	2m 11s
Plan examples (examples/eks-cross-account-with-central-amp)	2m 11s
Plan examples (examples/eks-container-insights)	2m 12s
Plan examples (examples/existing-cluster-with-base-and-infra)	2m 10s
Plan examples (examples/existing-cluster-nginx)	2m 11s
Plan examples (examples/managed-prometheus-monitoring)	2m 10s
Plan examples (examples/existing-cluster-java)	2m 11s
Plan examples (examples/eks-cluster-with-vpc)	2m 13s
	21m 58s

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