1.35.0 panics on `completions`

Steps to reproduce:
1. Download `fnm-linux.zip` from the release: https://github.com/Schniz/fnm/releases/tag/v1.35.0
2. Execute `/fnm completions`

```
$ ./fnm completions --shell zsh
thread 'main' panicked at 'built', /home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/clap_complete-4.3.1/src/generator/utils.rs:124:26
```