imfreedom/k8s-cluster

Update cert-manager to 1.6.2 and remove the namespace override that was breaking things
---
apiVersion: v1
kind: Namespace
metadata:
name: imfreedom
labels:
name: imfreedom
---
apiVersion: v1
kind: Namespace
metadata:
name: roost
labels:
name: roost
prometheus: cluster-wide
---