Bump helm.sh/helm/v3 from 3.2.0 to 3.6.1 in /test (#1545)

Bumps [helm.sh/helm/v3](https://github.com/helm/helm) from 3.2.0 to 3.6.1.
- [Release notes](https://github.com/helm/helm/releases)
- [Commits](helm/helm@v3.2.0...v3.6.1)

---
updated-dependencies:
- dependency-name: helm.sh/helm/v3
  dependency-type: direct:production
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

test/go.mod

@@ -11,13 +11,13 @@ require (
 	github.com/onsi/ginkgo v1.12.1
 	github.com/onsi/gomega v1.11.0
 	github.com/pkg/errors v0.9.1
-	github.com/prometheus/common v0.7.0
+	github.com/prometheus/common v0.10.0
 	gopkg.in/yaml.v2 v2.4.0
-	helm.sh/helm/v3 v3.2.0
-	k8s.io/api v0.18.6
-	k8s.io/apimachinery v0.18.6
-	k8s.io/cli-runtime v0.18.0
-	k8s.io/client-go v0.18.6
+	helm.sh/helm/v3 v3.6.1
+	k8s.io/api v0.21.0
+	k8s.io/apimachinery v0.21.0
+	k8s.io/cli-runtime v0.21.0
+	k8s.io/client-go v0.21.0
 	rsc.io/letsencrypt v0.0.3 // indirect
 	sigs.k8s.io/controller-runtime v0.6.3
 )