Indentation is off for apprepository definition

[davidkarlsen]

Indent for securityContext in https://github.com/kubeapps/kubeapps/blob/master/chart/kubeapps/templates/apprepositories.yaml#L30 is off. The resulting rendered resource will look like:

apiVersion: kubeapps.com/v1alpha1
kind: AppRepository
metadata:
  annotations:
    helm.sh/hook: crd-install
    helm.sh/hook-weight: "10"
  creationTimestamp: "2019-08-10T21:25:44Z"
  generation: 1
  labels:
    app: kubeapps-internal-apprepository-controller
    chart: kubeapps-2.0.3
    heritage: Tiller
    release: kubeapps
  name: evryfs
  namespace: kubeapps
  resourceVersion: "78566"
  selfLink: /apis/kubeapps.com/v1alpha1/namespaces/kubeapps/apprepositories/evryfs
  uid: 69506a52-bbb5-11e9-b168-005056b8160d
spec:
  syncJobPodTemplate:
    spec:
      runAsUser: 1001
      securityContext: null
  type: helm
  url: https://myrepo.com/nexus/repository/evryfs-helm/