ci(release): don't download benchmark artifacts in build_docs.py #2329

Job	Run time
Build	1m 40s
Check format	1m 22s
Smoke test	5m 46s
Test Intel fortran (ubuntu-22.04)	1h 22m 40s
Extended testing (ubuntu-22.04)	18m 8s
Test Intel fortran (macos-13)	31m 18s
Test GNU fortran (macos-13, false)	1h 34m 33s
Extended testing (macos-13)	42m 55s
Test Intel fortran (windows-2022)	37m 6s
Test GNU fortran (macos-14, false)	1h 26m 45s
Extended testing (windows-2022)	58m 3s
Test GNU fortran (macos-14, true)	2h 57m 3s
Test GNU fortran (ubuntu-22.04, false)	1h 15m 17s
Test GNU fortran (ubuntu-22.04, true)	3h 33m 36s
Test GNU fortran (windows-2022, false)	1h 41m 38s
	17h 7m 50s

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