build(deps): bump github.com/yannh/kubeconform in /scripts

Bumps [github.com/yannh/kubeconform](https://github.com/yannh/kubeconform) from 0.4.12 to 0.4.13.
- [Release notes](https://github.com/yannh/kubeconform/releases)
- [Changelog](https://github.com/yannh/kubeconform/blob/master/.goreleaser.yml)
- [Commits](https://github.com/yannh/kubeconform/compare/v0.4.12...v0.4.13)

---
updated-dependencies:
- dependency-name: github.com/yannh/kubeconform
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

scripts/go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/bwplotka/mdox v0.9.0
 	github.com/google/go-jsonnet v0.18.0
 	github.com/jsonnet-bundler/jsonnet-bundler v0.4.0
-	github.com/yannh/kubeconform v0.4.12
+	github.com/yannh/kubeconform v0.4.13
 	sigs.k8s.io/yaml v1.3.0 // indirect
 )