std::experimental::boyer_moore_horspool_searcher is deprecated #825

Job	Run time
format	4m 31s
builds / build (windows-2022, windows-ci)	22m 36s
builds / build (ubuntu-20.04, linux-ci)	11m 6s
builds / build (macos-12, macos-ci)	9m 0s
	47m 13s

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