change the dispatch method of multiple_mltbx workflow #89

Job	Run time
get_version	6s
build-and-run-tests-windows	36m 3s
build-and-run-tests-macos (macos-14)	23m 23s
build-and-run-tests-ubuntu	25m 52s
build-and-run-tests-macos (macos-13)	41m 50s
	2h 7m 14s

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