Elasticsearch 8.9.1 template

[smarakdas314]

What about template update for Elasticsearch version 8.9.1 as sample version is throwing errors?

{
  "template": "alertmanager-*",
  "settings": {
    "number_of_shards": 1,
    "number_of_replicas": 1,
    "index": {
      "refresh_interval": "10s",
      "query": {
        "default_field": "groupLabels.alertname"
      }
    }
  },
  "mappings": {
    "_default_": {
      "_all": {
        "enabled": false
      },
      "properties": {
        "@timestamp": {
          "type": "date",
          "doc_values": true
        }
      },
      "dynamic_templates": [
        {
          "string_fields": {
            "match": "*",
            "match_mapping_type": "string",
            "mapping": {
              "type": "string",
              "index": "not_analyzed",
              "ignore_above": 1024,
              "doc_values": true
            }
          }
        }
      ]
    }
  }
}