Always send a notification after each run

[piksel]

This is the default report template, but without the condition that omits the notification if no images were updated or failed to be checked:

  {{- if .Report -}}
    {{- with .Report -}}
  {{len .Scanned}} Scanned, {{len .Updated}} Updated, {{len .Failed}} Failed
        {{- range .Updated}}
  - {{.Name}} ({{.ImageName}}): {{.CurrentImageID.ShortID}} updated to {{.LatestImageID.ShortID}}
        {{- end -}}
        {{- range .Fresh}}
  - {{.Name}} ({{.ImageName}}): {{.State}}
      {{- end -}}
      {{- range .Skipped}}
  - {{.Name}} ({{.ImageName}}): {{.State}}: {{.Error}}
      {{- end -}}
      {{- range .Failed}}
  - {{.Name}} ({{.ImageName}}): {{.State}}: {{.Error}}
      {{- end -}}
    {{- end -}}
  {{- else -}}
    {{range .Entries -}}{{.Message}}{{println}}{{- end -}}
  {{- end -}}

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