Another Elastic.Transport.UnexpectedTransportException with Ingest.GetPipelineAsync

[gpetrou]

Elastic.Clients.Elasticsearch version: 8.13.8

Elasticsearch version: 8.12

.NET runtime version: 8.0

Operating system version:

Description of the problem including expected versus actual behavior:
This is similar to #8083.
Try to use elasticsearchClient.Ingest.GetPipelineAsync().
There is an exception. This problem existed before the new generator.

Elastic.Transport.UnexpectedTransportException : The JSON value could not be converted to System.Collections.Generic.ICollection`1[System.Object]. Path: $.value | LineNumber: 3 | BytePositionInLine: 153.
---- System.Text.Json.JsonException : The JSON value could not be converted to System.Collections.Generic.ICollection`1[System.Object]. Path: $.value | LineNumber: 3 | BytePositionInLine: 153.

Steps to reproduce:
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Expected behavior
A clear and concise description of what you expected to happen.

Provide ConnectionSettings (if relevant):

Provide DebugInformation (if relevant):

[flobernd]

Hi @gpetrou, thanks for reporting. I'll check on Monday.

[flobernd]

This seems to be the same issue as here: elastic/elasticsearch-java#667