Add ability to take a consistent LTS step in a region #19360

Job	Run time
Commits	7s
Files and formatting	5m 42s
Unit tests (gcc-9, Debug)	1h 9m 21s
Archs (gcc-9)	26m 55s
Unit tests (gcc-9, Release)	1h 34m 8s
Archs (gcc-10)	36m 59s
Clang-tidy (Debug)	10m 13s
Unit tests (gcc-10, Debug)	1h 7m 58s
Unit tests on macOS (x86, 13, 4)	4h 14m 0s
Archs (clang-13)	36m 51s
Clang-tidy (Release)	9m 12s
Unit tests (gcc-10, Release)	3h 6m 38s
Unit tests on macOS (arm64, 14, 3)	39m 48s
Archs (clang-14)	45m 58s
Unit tests (gcc-11, Debug)	1h 10m 20s
Unit tests (gcc-11, Release)	25m 24s
Unit tests (clang-13, Release, OFF, OFF, JEMALLOC)	1h 30m 2s
Unit tests (clang-13, Debug, OFF, OFF, normal)	44m 39s
Unit tests (clang-14, Debug, ON, OFF, JEMALLOC, 2)	1h 11m 32s
Unit tests (clang-14, Release, 3.18.2, /work/charm_7_0_0/mpi-linux-x86_64-smp-clang, 3, ON, ON)	1h 30m 58s
Documentation	8m 5s
Deploy documentation	0s
Release version	0s
	21h 24m 50s

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