Add stable API for Ruby 3.4 #1713

Job	Run time
🔘 Static (3.2.2, ubuntu-latest, stable)	1m 37s
📥 Fetch CI data	2s
🧪 Test (2.7, ubuntu-latest, 1.65)	5m 28s
🧪 Test (2.7, ubuntu-latest, stable)	2m 53s
🧪 Test (2.7, windows-2022, stable)	9m 27s
🧪 Test (3.0, ubuntu-latest, 1.65)	5m 4s
🧪 Test (3.0, ubuntu-latest, stable)	2m 26s
🧪 Test (3.0, macos-latest, stable)	2m 22s
🧪 Test (3.0, windows-2022, stable)	7m 48s
🧪 Test (3.1, ubuntu-latest, 1.65)	5m 24s
🧪 Test (3.1, ubuntu-latest, stable)	2m 51s
🧪 Test (3.1, windows-2022, stable)	18m 54s
🧪 Test (3.2, ubuntu-latest, 1.65)	5m 13s
🧪 Test (3.2, ubuntu-latest, stable)	2m 36s
🧪 Test (3.2, macos-latest, stable)	1m 44s
🧪 Test (3.2, windows-2022, stable)	8m 42s
🧪 Test (3.3, ubuntu-latest, 1.65)	4m 57s
🧪 Test (3.3, ubuntu-latest, stable)	2m 35s
🧪 Test (3.3, macos-latest, stable)	3m 35s
🧪 Test (3.3, windows-2022, stable)	10m 15s
🧪 Test (3.4.0-preview2, ubuntu-latest, 1.65)	5m 8s
🧪 Test (3.4.0-preview2, ubuntu-latest, stable)	2m 28s
🧪 Test (3.4.0-preview2, macos-latest, stable)	2m 13s
🧪 Test (truffleruby, ubuntu-latest, stable)	2m 29s
🧪 Test (truffleruby, macos-latest, stable)	2m 13s
🧪 Test (ruby-debug, ubuntu-24.04, stable)	2m 43s
🧪 Test (mswin, windows-2022, stable-x86_64-pc-windows-msvc)	7m 3s
	2h 8m 10s

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