Bump .github/styles/suse-vale-styleguide from e550865 to 0646500

Bumps [.github/styles/suse-vale-styleguide](https://github.com/openSUSE/suse-vale-styleguide) from `e550865` to `0646500`.
- [Release notes](https://github.com/openSUSE/suse-vale-styleguide/releases)
- [Commits](openSUSE/suse-vale-styleguide@e550865...0646500)

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

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