bump zsh-completions from 9eb27c3 to db3f4a2 (#865)

Bumps [custom/plugins/zsh-completions](https://github.com/clarketm/zsh-completions) from `9eb27c3` to `db3f4a2`.
- [Release notes](https://github.com/clarketm/zsh-completions/releases)
- [Commits](clarketm/zsh-completions@9eb27c3...db3f4a2)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>