ci: test example models on all platforms #3629

Job	Run time
Check format	1m 58s
Build	1m 43s
Smoke test	5m 53s
Test Intel fortran (ubuntu-22.04)	42m 42s
Test GNU fortran (macos-13, false)	40m 46s
Test Intel fortran (macos-13)	24m 49s
Extended testing (ubuntu-22.04)	18m 13s
Test GNU fortran (macos-14, false)	30m 10s
Test Intel fortran (windows-2022)	35m 48s
Extended testing (macos-13)	43m 2s
Test GNU fortran (macos-14, true)	1h 1m 42s
Extended testing (windows-2022)	57m 5s
Test GNU fortran (ubuntu-22.04, false)	38m 28s
Test GNU fortran (ubuntu-22.04, true)	1h 33m 2s
Test GNU fortran (windows-2022, false)	46m 30s
	9h 1m 51s

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