chore(deps): bump powerlevel10k from 67a365b to 8a331b8 (#915)

Bumps [custom/themes/powerlevel10k](https://github.com/romkatv/powerlevel10k) from `67a365b` to `8a331b8`.
- [Release notes](https://github.com/romkatv/powerlevel10k/releases)
- [Commits](romkatv/powerlevel10k@67a365b...8a331b8)

---
updated-dependencies:
- dependency-name: custom/themes/powerlevel10k
  dependency-type: direct:production
...

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