chore: mark developmode tests (#2110) #3653

Job	Run time
Smoke test	6m 14s
Check format	2m 7s
Build	2m 3s
Extended testing (ubuntu-22.04)	18m 54s
Test GNU fortran (macos-13, false)	36m 31s
Extended testing (macos-13)	54m 28s
Test GNU fortran (macos-14, false)	34m 2s
Extended testing (windows-2022)	59m 43s
Test GNU fortran (macos-14, true)	1h 10m 22s
Test Intel fortran (ubuntu-22.04)	40m 54s
Test GNU fortran (ubuntu-22.04, false)	44m 41s
Test Intel fortran (macos-13)	38m 8s
Test GNU fortran (ubuntu-22.04, true)	1h 36m 37s
Test Intel fortran (windows-2022)	36m 35s
Test GNU fortran (windows-2022, false)	44m 2s
	9h 45m 21s

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