[VOTE] PIP-303: Add optional parameters for getPartitionedStats

[Jie crossover]

Hi All, This thread is to start a vote for PIP-303. PIP:
https://github.com/apache/pulsar/pull/21228 Discussion thread:
https://lists.apache.org/thread/c92043zq6lyrsd5z1hnln48mx858n7vj
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Best Regards！
crossoverJie