Merge pull request #1032 from ChristianLempa/renovate/quay.io-jetstack-cert-manager-controller-1.x

chore(deps): update quay.io/jetstack/cert-manager-controller docker tag to v1.18.1

kubernetes/cert-manager/helm/values.yaml

@@ -1,7 +1,7 @@
 ---
 image:
   repository: quay.io/jetstack/cert-manager-controller
-  tag: v1.17.3
+  tag: v1.18.1
 webhook:
   image:
     repository: quay.io/jetstack/cert-manager-webhook