Bump music21-rs in /wasm/wasm in the rust-dependencies group (#107)

Bumps the rust-dependencies group in /wasm/wasm with 1 update: [music21-rs](https://github.com/float3/music21-rs).


Updates `music21-rs` from `4dbc9ba` to `9e8b5e8`
- [Release notes](https://github.com/float3/music21-rs/releases)
- [Commits](float3/music21-rs@4dbc9ba...9e8b5e8)

---
updated-dependencies:
- dependency-name: music21-rs
  dependency-version: 9e8b5e8d124bf7b92c337590e0ec5ccf1ca5a140
  dependency-type: direct:production
  dependency-group: rust-dependencies
...

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