build

Update GitHub Actions #460

Job	Run time
build (ubuntu-latest, ., true, 5.x)	8m 41s
build (ubuntu-latest, ., true, 4.14)	4m 45s
build (macos-latest, 4.14, ., true)	5m 55s
build (windows-latest, 4.14, alcotest alcotest-js alcotest-lwt alcotest-mirage, false, alcotest.o...	5m 25s
build (ubuntu-latest, 4.08, alcotest alcotest-js alcotest-lwt alcotest-mirage, false, alcotest.op...	2m 13s
build (ubuntu-latest, 4.09, alcotest alcotest-js alcotest-lwt alcotest-mirage, false, alcotest.op...	2m 17s
build (ubuntu-latest, 4.10, alcotest alcotest-js alcotest-lwt alcotest-mirage, false, alcotest.op...	2m 15s
build (ubuntu-latest, 4.11, alcotest alcotest-js alcotest-lwt alcotest-mirage, false, alcotest.op...	2m 16s
build (ubuntu-latest, 4.12, alcotest alcotest-js alcotest-lwt alcotest-mirage, false, alcotest.op...	2m 29s
build (ubuntu-latest, 4.13, alcotest alcotest-js alcotest-lwt alcotest-mirage, false, alcotest.op...	2m 15s
	38m 31s

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