ci: build platform ruby_wasm gems for Ruby 4.0 #757

Job	Run time
ci-data	4s
Push source gem	0s
Compile native gem for x64-mingw-ucrt	6m 5s
Compile native gem for arm64-darwin	5m 54s
Compile native gem for x86_64-linux	9m 13s
Compile native gem for aarch64-linux	6m 0s
Compile native gem for aarch64-linux-musl	6m 4s
Compile native gem for x86_64-darwin	6m 0s
Compile native gem for x86_64-linux-musl	5m 53s
	45m 13s

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