Merge pull request #380 from fluxcd/e2e-kubernetes-v1.21.1

e2e: Update Kubernetes to v1.21.1

Author: stefanprodan

.github/workflows/e2e.yaml

@@ -25,6 +25,9 @@ jobs:
           go-version: 1.16.x
       - name: Setup Kubernetes
         uses: engineerd/[email protected]
+        with:
+          version: v0.11.1
+          image: kindest/node:v1.21.1@sha256:69860bda5563ac81e3c0057d654b5253219618a22ec3a346306239bba8cfa1a6
       - name: Setup Kustomize
         uses: fluxcd/pkg//actions/kustomize@main
       - name: Setup Kubebuilder