v8,tools: expose experimental wasm revectorize feature #54896
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The wasm simd256 revectorization feature is enabled by default when v8_enable_webassembly is true on x64 target in V8. At runtime it will be enabled through flag --experimental-wasm-revectorize.
This PR adds the build configuration in Node to enable this feature and make it explicitly accessible through the same runtime flag for x64 build.