🐛 Bug description

ManifestAndUnsedKeys appears to be a spelling mistake.

🤔 Expected Behavior

It should be spelled ManifestAndUnusedKeys.

👟 Steps to reproduce

Look at src/manifest/mod.rs

🌍 Your environment

Include the relevant details of your environment.
wasm-pack version: HEAD
rustc version: rustc 1.81.0 (eeb90cda1 2024-09-04)