Add Ruby 3.4 as a supported version #917

Job	Run time
Bundle install in Dockerfile	1m 0s
oxi-test (ruby=3.0, os=ubuntu-latest)	1m 2s
oxi-test (ruby=3.2, os=ubuntu-latest)	1m 8s
oxi-test (ruby=3.3, os=ubuntu-latest)	1m 1s
oxi-test (ruby=3.0, os=windows-latest)	6m 11s
oxi-test (ruby=3.2, os=windows-latest)	4m 54s
oxi-test (ruby=3.3, os=windows-latest)	7m 37s
oxi-test (ruby=3.0, os=macos-latest)	54s
oxi-test (ruby=3.2, os=macos-latest)	53s
oxi-test (ruby=3.3, os=macos-latest)	54s
magnus-0.5 (ruby=3.0, os=ubuntu-latest)	1m 13s
magnus-0.5 (ruby=3.2, os=ubuntu-latest)	1m 26s
magnus-0.5 (ruby=3.3, os=ubuntu-latest)	1m 17s
magnus-0.5 (ruby=3.0, os=windows-latest)	6m 28s
magnus-0.5 (ruby=3.2, os=windows-latest)	5m 32s
magnus-0.5 (ruby=3.3, os=windows-latest)	5m 50s
magnus-0.5 (ruby=3.0, os=macos-latest)	1m 0s
magnus-0.5 (ruby=3.2, os=macos-latest)	1m 3s
magnus-0.5 (ruby=3.3, os=macos-latest)	1m 0s
magnus-head (ruby=3.0, os=ubuntu-latest)	2m 25s
magnus-head (ruby=3.2, os=ubuntu-latest)	2m 22s
magnus-head (ruby=3.3, os=ubuntu-latest)	2m 39s
magnus-head (ruby=3.0, os=windows-latest)	7m 50s
magnus-head (ruby=3.2, os=windows-latest)	7m 59s
magnus-head (ruby=3.3, os=windows-latest)	8m 15s
magnus-head (ruby=3.0, os=macos-latest)	1m 24s
magnus-head (ruby=3.2, os=macos-latest)	1m 37s
magnus-head (ruby=3.3, os=macos-latest)	1m 27s
	1h 26m 21s

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