update-coredns-version (#9503)

README.md

@@ -156,7 +156,7 @@ Note: Upstart/SysV init based OS types are not supported.
   - [kube-vip](https://github.com/kube-vip/kube-vip) v0.5.5
 - Application
   - [cert-manager](https://github.com/jetstack/cert-manager) v1.9.1
-  - [coredns](https://github.com/coredns/coredns) v1.8.6
+  - [coredns](https://github.com/coredns/coredns) v1.9.3
   - [ingress-nginx](https://github.com/kubernetes/ingress-nginx) v1.4.0
   - [krew](https://github.com/kubernetes-sigs/krew) v0.4.3
   - [argocd](https://argoproj.github.io/) v2.4.16

roles/download/defaults/main.yml

@@ -1008,7 +1008,7 @@ haproxy_image_tag: 2.6.1-alpine
 # Coredns version should be supported by corefile-migration (or at least work with)
 # bundle with kubeadm; if not 'basic' upgrade can sometimes fail
 
-coredns_version: "v1.8.6"
+coredns_version: "v1.9.3"
 coredns_image_is_namespaced: "{{ (coredns_version is version('v1.7.1','>=')) }}"
 
 coredns_image_repo: "{{ kube_image_repo }}{{'/coredns/coredns' if (coredns_image_is_namespaced | bool) else '/coredns' }}"