Replace deprecated AsyncHttpClientFutureBackend

Philippus / elastic4s

🔍 Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client

Apache License 2.0

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Closed Philippus closed 2 months ago

Philippus commented 2 months ago

The async-http backend is deprecated (https://github.com/softwaremill/sttp/blob/9c66b3c85d666411d492dcb642efa0b0102941e9/docs/resilience.md?plain=1#L35) and pulls in a transitive vulnerable dependency (Netty 4.1.60.Final), so I think we should remove it.