Bump the zsh group with 1 update

Bumps the zsh group with 1 update: [oh-my-zsh-custom/themes/powerlevel10k](https://github.com/romkatv/powerlevel10k).


Updates `oh-my-zsh-custom/themes/powerlevel10k` from `cda24b7` to `8fefef2`
- [Release notes](https://github.com/romkatv/powerlevel10k/releases)
- [Commits](romkatv/powerlevel10k@cda24b7...8fefef2)

---
updated-dependencies:
- dependency-name: oh-my-zsh-custom/themes/powerlevel10k
  dependency-type: direct:production
  dependency-group: zsh
...

Signed-off-by: dependabot[bot] <[email protected]>