Bump Vampire/setup-wsl from 3 to 4 (#1125)

Bumps [Vampire/setup-wsl](https://github.com/vampire/setup-wsl) from 3 to 4.
- [Release notes](https://github.com/vampire/setup-wsl/releases)
- [Commits](Vampire/setup-wsl@v3...v4)

---
updated-dependencies:
- dependency-name: Vampire/setup-wsl
  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>

.github/workflows/test.yml

@@ -79,7 +79,7 @@ jobs:
   windows-wsl-ci:
     runs-on: windows-latest
     steps:
-    - uses: Vampire/setup-wsl@v3
+    - uses: Vampire/setup-wsl@v4
       with: 
         update: 'true'
         additional-packages: gnupg make man git gawk file