Bump actions/download-artifact from 3 to 4.1.7 in /.github/workflows #19305

Job	Run time
Show Environment Variables	9s
Check files	8s
AOT Build and Test Android Apps	8m 2s
AOT Build and Test Android Unity Examples	3m 1s
AOT Build and Test Android Headless Demos	1m 21s
AOT Build and Test (GPU) (self-hosted, cuda, vulkan, cn, driver550)	2m 42s
Build and Test (AMDGPU)	8m 53s
Build and Test macos (CPU) (macos-10.15, 3.11, ON, cpu,vulkan)	6m 16s
Build and Test (Docs)	1m 3s
Build and Test (GPU) (sm70, driver550)	12m 52s
Build and Test (GPU) (not sm70, driver550)	26m 18s
Build and Test (Apple M1) (macos-latest, 3.8)	14m 23s
Build and Test Windows (sm70)	25m 12s
Build iOS C-API Static Library	3m 25s
Build and Test Windows (not sm70)	40m 17s
Check Static Analyzer	16m 40s
	2h 50m 42s

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