build(deps): Bump anchore/scan-action from 3 to 4

Bumps [anchore/scan-action](https://github.com/anchore/scan-action) from 3 to 4.
- [Release notes](https://github.com/anchore/scan-action/releases)
- [Changelog](https://github.com/anchore/scan-action/blob/main/CHANGELOG.md)
- [Commits](anchore/scan-action@v3...v4)

---
updated-dependencies:
- dependency-name: anchore/scan-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/test.yml

@@ -126,7 +126,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
     - name: Scan image
-      uses: anchore/scan-action@v3
+      uses: anchore/scan-action@v4
       id: scan
       with:
         image: "ghcr.io/estahn/k8s-image-swapper:latest"