chore: update coredns to 1.8.4

* Coredns 1.8.0 -> 1.8.4
* Add RBAC endpointslices list/watch

Signed-off-by: Serge Logvinov <serge.logvinov@sinextra.dev>

internal/app/machined/pkg/controllers/k8s/templates.go

@@ -273,6 +273,12 @@ rules:
       - nodes
     verbs:
       - get
+  - apiGroups: ["discovery.k8s.io"]
+    resources:
+      - endpointslices
+    verbs:
+      - list
+      - watch
 ---
 apiVersion: v1
 kind: ConfigMap

pkg/machinery/constants/constants.go

@@ -233,7 +233,7 @@ const (
 	CoreDNSImage = "docker.io/coredns/coredns"
 
 	// DefaultCoreDNSVersion is the default version for the CoreDNS.
-	DefaultCoreDNSVersion = "1.8.0"
+	DefaultCoreDNSVersion = "1.8.4"
 
 	// LabelNodeRoleMaster is the node label required by a control plane node.
 	LabelNodeRoleMaster = "node-role.kubernetes.io/master"

website/content/docs/v0.11/Reference/configuration.md

@@ -1117,7 +1117,7 @@ Examples:
 
 ``` yaml
 coreDNS:
-    image: docker.io/coredns/coredns:1.8.0 # The `image` field is an override to the default coredns image.
+    image: docker.io/coredns/coredns:1.8.4 # The `image` field is an override to the default coredns image.
 ```
 
 
@@ -2221,7 +2221,7 @@ Appears in:
 
 
 ``` yaml
-image: docker.io/coredns/coredns:1.8.0 # The `image` field is an override to the default coredns image.
+image: docker.io/coredns/coredns:1.8.4 # The `image` field is an override to the default coredns image.
 ```
 
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