only macOS x86 support for now #10

Job	Run time
test (dmd-latest, ubuntu-latest)	18s
test (dmd-latest, windows-latest)	47s
test (dmd-latest, macOS-13)	2m 20s
test (dmd-beta, ubuntu-latest)	23s
test (dmd-beta, windows-latest)	1m 45s
test (dmd-beta, macOS-13)	2m 19s
test (dmd-master, ubuntu-latest)	15s
test (dmd-master, windows-latest)	45s
test (dmd-master, macOS-13)	41s
test (dmd-2.094.2, ubuntu-latest)	16s
test (dmd-2.094.2, windows-latest)	53s
test (dmd-2.094.2, macOS-13)	2m 12s
test (ldc-latest, ubuntu-latest)	17s
test (ldc-latest, windows-latest)	1m 22s
test (ldc-latest, macOS-13)	1m 10s
test (ldc-beta, ubuntu-latest)	19s
test (ldc-beta, windows-latest)	43s
test (ldc-beta, macOS-13)	1m 0s
test (ldc-master, ubuntu-latest)	32s
test (ldc-master, windows-latest)	57s
test (ldc-master, macOS-13)	51s
	20m 5s

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