chore(deps): bump zsh-completions from 45ddf8f to 50ed8fd (#917)

Bumps [custom/plugins/zsh-completions](https://github.com/clarketm/zsh-completions) from `45ddf8f` to `50ed8fd`.
- [Release notes](https://github.com/clarketm/zsh-completions/releases)
- [Commits](clarketm/zsh-completions@45ddf8f...50ed8fd)

---
updated-dependencies:
- dependency-name: custom/plugins/zsh-completions
  dependency-type: direct:production
...

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