bump PaulIrish from 60b3fcc to 8509a1e (#770)

Bumps [PaulIrish](https://github.com/paulirish/dotfiles) from `60b3fcc` to `8509a1e`.
- [Commits](paulirish/dotfiles@60b3fcc...8509a1e)

---
updated-dependencies:
- dependency-name: PaulIrish
  dependency-type: direct:production
...

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