Add LogSAS binning for 3pt correlations #337

Job	Run time
build (ubuntu-latest, 3.7, gcc, g++)	17m 33s
build (ubuntu-latest, 3.8, gcc, g++)	16m 31s
build (ubuntu-latest, 3.9, gcc, g++)	16m 6s
build (ubuntu-latest, 3.10, gcc, g++)	16m 25s
build (ubuntu-latest, pypy-3.9, gcc, g++)	49m 8s
build (macos-latest, 3.9, cc, c++)	23m 14s
build (ubuntu-latest, 3.8, clang, clang++)	19m 53s
build (ubuntu-latest, 3.9, gcc-11, g++-11)	16m 12s
build (windows-latest, 3.9, gcc, g++)	19m 13s
	3h 14m 15s

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