chore(charts): use randAlphaNum replace randAscii

Author: duanhongyi

charts/controller/templates/controller-secret-creds.yaml

@@ -31,6 +31,6 @@ data:
   registry-username: {{ .Values.registryUsername | b64enc }}
   registry-password: {{ .Values.registryPassword | b64enc }}
   {{- end }}
-  service-key: {{ (include "common.secrets.lookup" (dict "secret" "controller-creds" "key" "service-key" "defaultValue" (randAscii 64) "context" $)) }}
-  django-secret-key: {{ (include "common.secrets.lookup" (dict "secret" "controller-creds" "key" "django-secret-key" "defaultValue" (randAscii 64) "context" $)) }}
-  deploy-hook-secret-key: {{ (include "common.secrets.lookup" (dict "secret" "controller-creds" "key" "deploy-hook-secret-key" "defaultValue" (randAscii 64) "context" $)) }}
+  service-key: {{ (include "common.secrets.lookup" (dict "secret" "controller-creds" "key" "service-key" "defaultValue" (randAlphaNum 64) "context" $)) }}
+  django-secret-key: {{ (include "common.secrets.lookup" (dict "secret" "controller-creds" "key" "django-secret-key" "defaultValue" (randAlphaNum 64) "context" $)) }}
+  deploy-hook-secret-key: {{ (include "common.secrets.lookup" (dict "secret" "controller-creds" "key" "deploy-hook-secret-key" "defaultValue" (randAlphaNum 64) "context" $)) }}