feat: move tehSUC into kube-system

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

bootstrap/templates/addons/system-upgrade-controller/ks.yaml.j2

@@ -5,11 +5,11 @@ metadata:
   name: &app system-upgrade-controller
   namespace: flux-system
 spec:
-  targetNamespace: system-upgrade
+  targetNamespace: kube-system
   commonMetadata:
     labels:
       app.kubernetes.io/name: *app
-  path: ./kubernetes/apps/system-upgrade/system-upgrade-controller/app
+  path: ./kubernetes/apps/kube-system/system-upgrade-controller/app
   prune: true
   sourceRef:
     kind: GitRepository
@@ -25,13 +25,13 @@ metadata:
   name: &app system-upgrade-controller-plans
   namespace: flux-system
 spec:
-  targetNamespace: system-upgrade
+  targetNamespace: kube-system
   commonMetadata:
     labels:
       app.kubernetes.io/name: *app
   dependsOn:
     - name: system-upgrade-controller
-  path: ./kubernetes/apps/system-upgrade/system-upgrade-controller/plans
+  path: ./kubernetes/apps/kube-system/system-upgrade-controller/plans
   prune: true
   sourceRef:
     kind: GitRepository