Add macos steps #41

Job	Run time
package_ubuntu_plugin	2s
package_centos_plugin	3s
dependency_download	2s
package_standard_plugin	3s
luabitop_windows_build	1s
package_windows_plugin	1s
test_discrete_windows	1s
test_a429_windows	1s
release_windows_plugin	1s
test_a429_debian	1s
test_a429_ubuntu	1s
test_discrete_debian	1s
test_discrete_ubuntu	1s
release_ubuntu_plugin	1s
test_a429_centos_amazonlinux	1s
test_a429_centos_stream9	1s
test_discrete_centos_almalinux	1s
test_discrete_centos_stream9	1s
test_discrete_centos_amazonlinux	1s
test_a429_centos_almalinux	1s
test_a429_centos_fedora	1s
test_discrete_centos_fedora	1s
test_a429_alpine	1s
test_a429_archlinux	1s
test_discrete_archlinux	1s
test_discrete_alpine	1s
test_macos	1s
release_centos_plugin	1s
release_standard_plugin	1s
	35s

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