upgrade to istio 1.19 (#1211)

Co-authored-by: CH3CHO <ch3cho@qq.com>
Co-authored-by: rinfx <893383980@qq.com>

hgctl/pkg/manifests/istiobase/templates/reader-serviceaccount.yaml

@@ -0,0 +1,16 @@
+# This service account aggregates reader permissions for the revisions in a given cluster
+# Should be used for remote secret creation.
+apiVersion: v1
+kind: ServiceAccount
+  {{- if .Values.global.imagePullSecrets }}
+imagePullSecrets:
+  {{- range .Values.global.imagePullSecrets }}
+  - name: {{ . }}
+    {{- end }}
+    {{- end }}
+metadata:
+  name: istio-reader-service-account
+  namespace: {{ .Values.global.istioNamespace }}
+  labels:
+    app: istio-reader
+    release: {{ .Release.Name }}