gha:(deps): bump engineerd/setup-kind from 0.5.0 to 0.6.0

Bumps [engineerd/setup-kind](https://github.com/engineerd/setup-kind) from 0.5.0 to 0.6.0.
- [Release notes](https://github.com/engineerd/setup-kind/releases)
- [Commits](engineerd/setup-kind@v0.5.0...v0.6.0)

---
updated-dependencies:
- dependency-name: engineerd/setup-kind
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/k8s-test.yml

@@ -39,7 +39,7 @@ jobs:
         run: |
           make update-config-files GITHUB_PR_IMAGE_TAG=dev-${{ inputs.image_tag }}
       - name: Setup Kubernetes cluster ${{ inputs.kind_version }}/${{ inputs.k8s_version }}
-        uses: engineerd/setup-kind@v0.5.0
+        uses: engineerd/setup-kind@v0.6.0
         with:
           name: sk8l
           version: ${{ inputs.kind_version }}