Add support for Docker aliases #974

Job	Run time
Bundle install in Dockerfile	1m 2s
oxi-test (ruby=3.0, os=ubuntu-latest)	1m 16s
oxi-test (ruby=3.2, os=ubuntu-latest)	1m 28s
oxi-test (ruby=3.3, os=ubuntu-latest)	1m 18s
oxi-test (ruby=3.0, os=windows-latest)	8m 29s
oxi-test (ruby=3.2, os=windows-latest)	9m 46s
oxi-test (ruby=3.3, os=windows-latest)	6m 21s
oxi-test (ruby=3.0, os=macos-latest)	1m 0s
oxi-test (ruby=3.2, os=macos-latest)	58s
oxi-test (ruby=3.3, os=macos-latest)	1m 4s
magnus-0.5 (ruby=3.0, os=ubuntu-latest)	1m 16s
magnus-0.5 (ruby=3.2, os=ubuntu-latest)	1m 18s
magnus-0.5 (ruby=3.3, os=ubuntu-latest)	1m 20s
magnus-0.5 (ruby=3.0, os=windows-latest)	4m 50s
magnus-0.5 (ruby=3.2, os=windows-latest)	9m 24s
magnus-0.5 (ruby=3.3, os=windows-latest)	10m 48s
magnus-0.5 (ruby=3.0, os=macos-latest)	1m 10s
magnus-0.5 (ruby=3.2, os=macos-latest)	1m 10s
magnus-0.5 (ruby=3.3, os=macos-latest)	1m 6s
magnus-head (ruby=3.0, os=ubuntu-latest)	2m 9s
magnus-head (ruby=3.2, os=ubuntu-latest)	2m 22s
magnus-head (ruby=3.3, os=ubuntu-latest)	2m 18s
magnus-head (ruby=3.0, os=windows-latest)	6m 1s
magnus-head (ruby=3.2, os=windows-latest)	11m 25s
magnus-head (ruby=3.3, os=windows-latest)	11m 26s
magnus-head (ruby=3.0, os=macos-latest)	1m 53s
magnus-head (ruby=3.2, os=macos-latest)	1m 30s
magnus-head (ruby=3.3, os=macos-latest)	1m 26s
	1h 45m 34s

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