chore(charts): use randAlphaNum replace randAscii

Author: duanhongyi

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

@@ -14,7 +14,7 @@ data:
   {{- if (.Values.databaseReplicaUrl) }}
   database-replica-url: {{ .Values.databaseReplicaUrl | b64enc }}
   {{- end }}
-  django-secret-key: {{ (include "common.secrets.lookup" (dict "secret" "passport-creds" "key" "django-secret-key" "defaultValue" (randAscii 64) "context" $)) }}
+  django-secret-key: {{ (include "common.secrets.lookup" (dict "secret" "passport-creds" "key" "django-secret-key" "defaultValue" (randAlphaNum 64) "context" $)) }}
   oidc-rsa-private-key: {{genPrivateKey "rsa" | b64enc}}
   {{- range $item := .Values.initApplications }}
   {{- if ($item.prefix) }}