build(deps): bump Vampire/setup-wsl from 5 to 6 (#809)

Bumps [Vampire/setup-wsl](https://github.com/vampire/setup-wsl) from 5 to 6.
- [Release notes](https://github.com/vampire/setup-wsl/releases)
- [Commits](Vampire/setup-wsl@v5...v6)

---
updated-dependencies:
- dependency-name: Vampire/setup-wsl
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -88,7 +88,7 @@ jobs:
 
       - name: Setup WSL
         if: "contains(matrix.shell, 'wsl')"
-        uses: Vampire/setup-wsl@v5
+        uses: Vampire/setup-wsl@v6
 
       - name: Setup Cygwin
         if: "contains(matrix.shell, 'cygwin')"