Support brotli compression algorithm

`Brotli` is a high performance, high compression ratio compression algorithm. Does pulsar plan to support this compression algorithm? If yes, I can provide a pr, see https://github.com/google/brotli, thanks

Start by reviewing the Apache Pulsar repository and the Brotli project linked in the issue to determine where compression algorithms are handled. Confirm the supported-compression requirements and integration scope before identifying the relevant implementation and tests; done means Pulsar supports Brotli with verified behavior.

Written by the indexing model from the issue text.