Merge pull request #890 from rackerlabs/renovate/cert-manager-cert-manager-1.x

chore(deps): update dependency cert-manager/cert-manager to v1.18.2

Author: cardoe

bootstrap/cert-manager/kustomization.yaml

@@ -3,4 +3,4 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 
 resources:
-- https://github.com/cert-manager/cert-manager/releases/download/v1.13.3/cert-manager.yaml
+- https://github.com/cert-manager/cert-manager/releases/download/v1.18.2/cert-manager.yaml