chore(deps): bump custom/plugins/zsh-completions

Bumps [custom/plugins/zsh-completions](https://github.com/clarketm/zsh-completions) from `5999c3a` to `48dd51f`.
- [Release notes](https://github.com/clarketm/zsh-completions/releases)
- [Commits](clarketm/zsh-completions@5999c3a...48dd51f)

---
updated-dependencies:
- dependency-name: custom/plugins/zsh-completions
  dependency-version: 48dd51f137c49db12947101310aa8e6411dc2fd0
  dependency-type: direct:production
...

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Author: dependabot[bot]