ci(wasi): remove custom run shell #2047

Job	Run time
cxx-build-workflow / build-test-cxx (ubuntu-22.04)	13m 25s
cxx-build-workflow / build-test-cxx (windows-2022)	18m 4s
cxx-build-workflow / build-test-cxx (macos-14)	8m 52s
	40m 21s

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