ElasticSearch sink config changes and deprecations

Some fields of the elasticsearch sink config are deprecated and scheduled to be removed in 0.19.0

You may view the most recent config options here: https://vector.dev/docs/reference/configuration/sinks/elasticsearch/

Deprecated FieldNew Field
mode = normalmode = bulk
hostendpoint
bulk_actionbulk.action
indexbulk.index
headersrequest.headers