Bump omz-custom/plugins/zsh-completions from 6ff1a67 to c160d09

Bumps [omz-custom/plugins/zsh-completions](https://github.com/zsh-users/zsh-completions) from `6ff1a67` to `c160d09`.
- [Release notes](https://github.com/zsh-users/zsh-completions/releases)
- [Commits](zsh-users/zsh-completions@6ff1a67...c160d09)

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

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