Always define `ruby_abi_version` #808

# to view logs

Job	Run time
Bundle install in Dockerfile	59s
oxi-test (ruby=3.0, os=ubuntu-latest)	1m 13s
oxi-test (ruby=3.2, os=ubuntu-latest)	1m 6s
oxi-test (ruby=3.3, os=ubuntu-latest)	1m 1s
oxi-test (ruby=3.0, os=windows-latest)	5m 48s
oxi-test (ruby=3.2, os=windows-latest)	5m 31s
oxi-test (ruby=3.3, os=windows-latest)	6m 41s
oxi-test (ruby=3.0, os=macos-latest)	1m 24s
oxi-test (ruby=3.2, os=macos-latest)	1m 0s
oxi-test (ruby=3.3, os=macos-latest)	1m 10s
magnus-0.5 (ruby=3.0, os=ubuntu-latest)	1m 41s
magnus-0.5 (ruby=3.2, os=ubuntu-latest)	1m 21s
magnus-0.5 (ruby=3.3, os=ubuntu-latest)	1m 18s
magnus-0.5 (ruby=3.0, os=windows-latest)	6m 44s
magnus-0.5 (ruby=3.2, os=windows-latest)	5m 53s
magnus-0.5 (ruby=3.3, os=windows-latest)	6m 52s
magnus-0.5 (ruby=3.0, os=macos-latest)	1m 16s
magnus-0.5 (ruby=3.2, os=macos-latest)	1m 20s
magnus-0.5 (ruby=3.3, os=macos-latest)	1m 12s
magnus-head (ruby=3.0, os=ubuntu-latest)	2m 27s
magnus-head (ruby=3.2, os=ubuntu-latest)	2m 55s
magnus-head (ruby=3.3, os=ubuntu-latest)	2m 26s
magnus-head (ruby=3.0, os=windows-latest)	7m 42s
magnus-head (ruby=3.2, os=windows-latest)	7m 28s
magnus-head (ruby=3.3, os=windows-latest)	8m 39s
magnus-head (ruby=3.0, os=macos-latest)	1m 43s
magnus-head (ruby=3.2, os=macos-latest)	1m 42s
magnus-head (ruby=3.3, os=macos-latest)	1m 27s
	1h 29m 59s

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