Bump oh-my-zsh-custom/themes/powerlevel10k from bd0fa8a to 307bce2

Bumps [oh-my-zsh-custom/themes/powerlevel10k](https://github.com/romkatv/powerlevel10k) from `bd0fa8a` to `307bce2`.
- [Release notes](https://github.com/romkatv/powerlevel10k/releases)
- [Commits](romkatv/powerlevel10k@bd0fa8a...307bce2)

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

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