docs(argocd): ArgoCD no longer uses the pod name as initial password

inventory/sample/group_vars/k8s_cluster/addons.yml

@@ -223,8 +223,9 @@ argocd_enabled: false
 # Default password:
 #   - https://argo-cd.readthedocs.io/en/stable/getting_started/#4-login-using-the-cli
 #   ---
-#   The initial password is autogenerated to be the pod name of the Argo CD API server. This can be retrieved with the command:
-#   kubectl get pods -n argocd -l app.kubernetes.io/name=argocd-server -o name | cut -d'/' -f 2
+#   The initial password is autogenerated and stored in `argocd-initial-admin-secret` in the argocd namespace defined above.
+#   Using the argocd CLI the generated password can be automatically be fetched from the current kubectl context with the command:
+#   argocd admin initial-password -n argocd
 #   ---
 # Use the following var to set admin password
 # argocd_admin_password: "password"