Ancestral Sampling and Bayes Ball Algorithm #978

Job	Run time
Julia 1 on ubuntu-latest (x64)	11m 19s
Julia 1 on macOS-latest (x64)	13m 8s
Julia 1 on windows-latest (x64)	14m 18s
Julia 1.9 on ubuntu-latest (x64)	20m 51s
Julia 1.9 on macOS-latest (x64)	21m 7s
Julia 1.9 on windows-latest (x64)	29m 11s
Julia nightly on ubuntu-latest (x64)	14m 43s
Julia nightly on macOS-latest (x64)	16m 4s
Julia nightly on windows-latest (x64)	22m 47s
	2h 43m 28s

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