[VOTE] PIP-96 Message payload processor for Pulsar client

[Yunze Xu]

Hi folks,

It has been about two weeks since I opened the PIP-96 issue and the design has
changed a lot. Thanks a lot for @eolivelli's suggestions. I think now it's time
to start a vote.

PIP-96 issue: https://github.com/apache/pulsar/issues/12087 
<https://github.com/apache/pulsar/issues/12087>

Thanks,
Yunze