rename almost all mentions of kargo

roles/kubernetes/master/templates/manifests/kube-apiserver.manifest.j2

@@ -5,7 +5,7 @@ metadata:
   namespace: {{system_namespace}}
   labels:
     k8s-app: kube-apiserver
-    kargo: v2
+    kubespray: v2
 spec:
   hostNetwork: true
 {% if kube_version | version_compare('v1.6', '>=')  %}

roles/kubernetes/preinstall/tasks/dhclient-hooks-undo.yml

@@ -1,9 +1,9 @@
 ---
 
-# These tasks will undo changes done by kargo in the past if needed (e.g. when upgrading from kargo 2.0.x
+# These tasks will undo changes done by kubespray in the past if needed (e.g. when upgrading from kubespray 2.0.x
 # or when changing resolvconf_mode)
 
-- name: Remove kargo specific config from dhclient config
+- name: Remove kubespray specific config from dhclient config
   blockinfile:
     dest: "{{dhclientconffile}}"
     state: absent
@@ -13,7 +13,7 @@
   when: dhclientconffile is defined
   notify: Preinstall | restart network
 
-- name: Remove kargo specific dhclient hook
+- name: Remove kubespray specific dhclient hook
   file:
     path: "{{ dhclienthookfile }}"
     state: absent