use explicit soot cleanup call (#413) #30

Job	Run time
Formatting	9s
Save-PR-Number	0s
Lint-codeql	44m 48s
CPU-GNUmake	4m 0s
Lint-clang-tidy (EB-OFF)	1h 25m 57s
Lint-clang-tidy (EB-ON)	55m 5s
CPU-CMake (ubuntu-latest, Release, EB-OFF)	1h 1m 35s
Lint-codespell	7s
CPU-CMake (ubuntu-latest, Release, EB-ON)	40m 32s
CPU-CMake (ubuntu-latest, Debug, EB-OFF)	1h 14m 16s
CPU-CMake (ubuntu-latest, Debug, EB-ON)	27m 46s
CPU-CMake (macos-latest, Release, EB-OFF)	24m 54s
CPU-CMake (macos-latest, Release, EB-ON)	9m 21s
GPU-HIP	49m 20s
GPU-SYCL	1h 4m 6s
GPU-CUDA (11.4)	59m 11s
	10h 1m 7s

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