In https://github.com/cdr/code-server/blob/66060408354c223918cb1df4b0cb8849aad4c9c7/ci/helm-chart/templates/NOTES.txt#L20 you forgot the namespace, i.e. `--namespace {{ .Release.Namespace }`
In
https://github.com/cdr/code-server/blob/66060408354c223918cb1df4b0cb8849aad4c9c7/ci/helm-chart/templates/NOTES.txt#L20
you forgot the namespace, i.e.
--namespace {{ .Release.Namespace }