feat: update system-upgrade namespace and include support for k0s (#1278)

* fest: k0s Autopilot

* Create .mjfilter.py

* Create kustomization.yaml.j2

* Create ks.yaml.j2

* Create kustomization.yaml.j2

* Create updaterconfig.yaml.j2

* feat: update system-upgrade namespace and include support for k0s

Signed-off-by: Devin Buhl <devin@buhl.casa>

* fix: rename talos app folder

Signed-off-by: Devin Buhl <devin@buhl.casa>

* fix: update k0s plan

Signed-off-by: Devin Buhl <devin@buhl.casa>

---------

Signed-off-by: Devin Buhl <devin@buhl.casa>

bootstrap/templates/kubernetes/apps/system-upgrade/k3s/app/plan.yaml.j2

@@ -0,0 +1,50 @@
+---
+apiVersion: upgrade.cattle.io/v1
+kind: Plan
+metadata:
+  name: controllers
+spec:
+  version: "${KUBE_VERSION}"
+  upgrade:
+    image: rancher/k3s-upgrade
+  serviceAccountName: system-upgrade
+  concurrency: 1
+  cordon: true
+  nodeSelector:
+    matchExpressions:
+      - key: node-role.kubernetes.io/control-plane
+        operator: Exists
+  tolerations:
+    - effect: NoSchedule
+      operator: Exists
+    - effect: NoExecute
+      operator: Exists
+    - key: node-role.kubernetes.io/control-plane
+      effect: NoSchedule
+      operator: Exists
+    - key: node-role.kubernetes.io/master
+      effect: NoSchedule
+      operator: Exists
+    - key: node-role.kubernetes.io/etcd
+      effect: NoExecute
+      operator: Exists
+    - key: CriticalAddonsOnly
+      operator: Exists
+---
+apiVersion: upgrade.cattle.io/v1
+kind: Plan
+metadata:
+  name: workers
+spec:
+  version: "${KUBE_VERSION}"
+  serviceAccountName: system-upgrade
+  concurrency: 1
+  nodeSelector:
+    matchExpressions:
+      - key: node-role.kubernetes.io/control-plane
+        operator: DoesNotExist
+  prepare:
+    image: rancher/k3s-upgrade
+    args: ["prepare", "server"]
+  upgrade:
+    image: rancher/k3s-upgrade