perf: cache SECRET_PATTERNS's RegexSet
#2570
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Improves the performance of `History::should_save` by constructing the `SECRET_PATTERNS` `RegexSet` only once with a `LazyLock`. This speeds up `atuin history prune` by ~100x (~7s to ~70ms on my machine) (lol).
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Improves the performance of
History::should_saveby constructing theSECRET_PATTERNSRegexSetonly once with aLazyLock.This speeds up
atuin history pruneby ~100x (~7s to ~70ms on my machine) (lol).Checks