Bump .github/styles/suse-vale-styleguide from 45136e8 to c13923f

Bumps [.github/styles/suse-vale-styleguide](https://github.com/openSUSE/suse-vale-styleguide) from `45136e8` to `c13923f`.
- [Release notes](https://github.com/openSUSE/suse-vale-styleguide/releases)
- [Commits](openSUSE/suse-vale-styleguide@45136e8...c13923f)

---
updated-dependencies:
- dependency-name: ".github/styles/suse-vale-styleguide"
  dependency-type: direct:production
...

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