zstd compression to both the Kafka input and Kafka output processors

[hafkaM]

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Would it be possible to add support for zstd compression to both the Kafka input and Kafka output processors? For high-performance tasks, this compression is more efficient and is currently only available in Fluentd. However, Fluentd is slower compared to Fluent Bit.

[patrick-stephens]

Related to #2483 which seems to enable it for output.
Also:
#5957 #4564 #7715

[leonardo-albertovich]

So, do I understand correctly that even though a PR aimed to address this was merged back in 2020 this is still not working?