In 1.9.20 wasm target was split into wasm-js and wasm-wasi.
https://kotlinlang.org/docs/whatsnew-eap.html#new-wasm-wasi-target-and-the-renaming-of-the-wasm-target-to-wasm-js
https://youtrack.jetbrains.com/issue/KT-60654/Wasm-split-wasm-target-into-wasm-js-and-wasm-wasi