[Feat](nereids) add transform rule MergePercentileToArray #35809
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MergePercentileToArray is to perform a transformation in this case: select ss_item_sk, percentile(ss_quantity,0.9), percentile(ss_quantity,0.6), percentile(ss_quantity,0.3) from store_sales group by ss_item_sk; ===> select ss_item_sk, percentile_array(ss_quantity,[0.3,0.6,0.9]) from store_sales group by ss_item_sk;
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cherry-pick #34313 to branch-2.1