Bump asdf-vm/actions from 3 to 4

Bumps [asdf-vm/actions](https://github.com/asdf-vm/actions) from 3 to 4.
- [Release notes](https://github.com/asdf-vm/actions/releases)
- [Changelog](https://github.com/asdf-vm/actions/blob/master/CHANGELOG.md)
- [Commits](asdf-vm/actions@v3...v4)

---
updated-dependencies:
- dependency-name: asdf-vm/actions
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/validate.yaml

@@ -18,7 +18,7 @@ jobs:
           submodules: true
 
       - name: Install action-validator with asdf
-        uses: asdf-vm/actions/install@v3
+        uses: asdf-vm/actions/install@v4
         with:
           tool_versions: |
             action-validator 0.5.1