Merge pull request #345 from terrablue/add-preview1-to-run-test-unit

fix: Add Node.js WASI option `version: "preview1"` to run-test-unit.mjs

Author: kateinoigakukun

packages/npm-packages/ruby-wasm-wasi/tools/run-test-unit.mjs

@@ -36,6 +36,7 @@ const instantiateNodeWasi = async (rootTestFile) => {
       "RUBY_FIBER_MACHINE_STACK_SIZE": String(1024 * 1024 * 20),
     },
     preopens,
+    version: "preview1",
   });
 
   const vm = new RubyVM();