Update Ironbank to v2.6.7

This MR contains the following updates:

Package	Update	Change
ironbank/big-bang/argocd	patch	v2.6.6 -> v2.6.7
registry1.dso.mil/ironbank/big-bang/argocd	patch	v2.6.6 -> v2.6.7

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chart/templates/argocd-application-controller/statefulset.yaml

@@ -312,7 +312,9 @@ spec:
             path: tls.key
           - key: ca.crt
             path: ca.crt
+      {{- if .Values.controller.hostNetwork }}
       hostNetwork: {{ .Values.controller.hostNetwork }}
+      {{- end }}
       {{- with .Values.controller.dnsConfig }}
       dnsConfig:
         {{- toYaml . | nindent 8 }}