Update linkerd-control-plane.yaml

This PR fixes ignoreDifferences otherwise argocd will be out of sync every few minutes and restart continously restart linkerd-destination and linkerd-proxy-injector pods

Fix the group field for the MutatingWebhookConfiguration and ValidatingWebhookConfiguration entries by removing the API version as per argocd requirements here
image
Adds 3 additional entries. 1 to ignore the CronJob schedule and 2 entries to ignore the checksum/config annotation in the linkerd-destination and linkerd-proxy-injector Deployments (See Restart destination, proxy-injector controllers on config change. linkerd/linkerd2#11440)

apps/linkerd/linkerd-control-plane.yaml

@@ -23,6 +23,21 @@ spec:
   syncPolicy:
     automated: {}
   ignoreDifferences:
+  - group: batch
+    jsonPointers:
+      - /spec/schedule
+    kind: CronJob
+    name: linkerd-heartbeat
+  - group: apps
+    jsonPointers:
+      - /spec/template/metadata/annotations/checksum~1config
+    kind: Deployment
+    name: linkerd-destination
+  - group: apps
+    jsonPointers:
+      - /spec/template/metadata/annotations/checksum~1config
+    kind: Deployment
+    name: linkerd-proxy-injector
   - group: ""
     kind: Secret
     name:  linkerd-proxy-injector-k8s-tls