[performance] cherry-pick: seg: 2-3x faster merge compression via Aho-Corasick matcher and cover-DP optimizations (#21625) - #21946

[performance] cherry-pick: seg: 2-3x faster merge compression via Aho-Corasick matcher and cover-DP optimizations (#21625)#21946

sudeepdino008 merged 3 commits into

performanceerigontech/erigon:performancefrom

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