[FEATURE] Support optional tags field on _async_query API

[noCharger]

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I want to track out the different sources that are executing '_async_query'.

What solution would you like?

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Assign tags alone with the _async_query API, which has a one-to-one mapping to the queryid. These tags can be used on a variety of data source types, such as s3_glue, and provided to emr job runs.

API example:

curl --location 'http://localhost:9200/_plugins/_async_query' \
--header 'Content-Type: application/json' \
--data '{
    "datasource" : "my_glue",
    "lang" : "sql",
    "query" : "select * from my_glue.default.http_logs limit 10"
    "tags": {
        "traceId": "xxxxx",
        "source": "admin"
     }
}'

Parameter Constraints

Type: String to string map
Map Entries: Minimum number of 0 items. Maximum number of 10 items.
Key Length Constraints: Minimum length of 1. Maximum length of 128.
Key Pattern: ^[A-Za-z0-9 /_.:=+@-]+$
Value Length Constraints: Minimum length of 0. Maximum length of 256.
Value Pattern: ^[A-Za-z0-9 /_.:=+@-]*$
Required: No

Ref: https://docs.aws.amazon.com/emr-serverless/latest/APIReference/API_StartJobRun.html#emrserverless-StartJobRun-request-tags

What alternatives have you considered?

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Define tags during data source creation, which requires creating multiple identical data source with different tags.