Request failed with status code 503

[takhello]

🐛 Bug description

Describe your issue in detail.
npm ERR! command sh -c node ./install.js
npm ERR! Downloading release from https://github.com/rustwasm/wasm-pack/releases/download/v0.13.0/wasm-pack-v0.13.0-x86_64-unknown-linux-musl.tar.gz
npm ERR! Error fetching release: Request failed with status code 503

🤔 Expected Behavior

What should have happened?

👟 Steps to reproduce

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🌍 Your environment

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wasm-pack version:
rustc version: