Bump actions/download-artifact from 2 to 4.1.7 in /.github/workflows #255

Job	Run time
build_CUDA (CUDA, Debug)	21m 12s
build (no_CUDA, Debug, none)	14m 37s
build_and_test_KiD-A (no_CUDA, RelWithDebInfoPortable, none)	16m 29s
build_CUDA (CUDA, RelWithDebInfoPortable)	17m 15s
build (no_CUDA, Debug, mvapich2)	15m 54s
build (no_CUDA, RelWithDebInfoPortable, none)	13m 46s
build (no_CUDA, RelWithDebInfoPortable, mvapich2)	16m 12s
call_test_uwlcm_hlpr / build_libcloudphxx (no_CUDA, RelWithDebInfoPortable, none)	14m 59s
call_test_uwlcm_hlpr / build_libcloudphxx (no_CUDA, RelWithDebInfoPortable, mvapich2)	11m 14s
call_test_uwlcm_hlpr / build_libcloudphxx (no_CUDA, Debug, none)	18m 47s
call_test_uwlcm_hlpr / build_libcloudphxx (no_CUDA, Debug, mvapich2)	7m 55s
kinematic_2D_test (RelWithDebInfoPortable, none)	8s
unit_test (RelWithDebInfoPortable, none)	1s
parcel_test (RelWithDebInfoPortable, none)	4s
parcel_test (Debug, none)	4s
unit_test (RelWithDebInfoPortable, mvapich2)	4s
unit_test (Debug, none)	1s
unit_test (Debug, mvapich2)	4s
call_test_uwlcm_hlpr / unit (RelWithDebInfo, none, iles, true)	17m 31s
call_test_uwlcm_hlpr / moist_thermal (RelWithDebInfo, none, true, RelDbgPort)	19m 36s
call_test_uwlcm_hlpr / unit (RelWithDebInfo, none, smg, true)	18m 30s
call_test_uwlcm_hlpr / moist_thermal (RelWithDebInfo, mvapich2, true, RelDbgPort)	2h 1m 11s
call_test_uwlcm_hlpr / unit (Debug, none, iles, true)	18m 23s
call_test_uwlcm_hlpr / unit (Debug, none, smg, true)	20m 53s
	6h 24m 50s

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