feat: remove the need for raw jinja blocks (#1158)

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

bootstrap/templates/kubernetes/apps/tools/system-upgrade-controller/app/rbac.yaml.j2

@@ -1,4 +1,4 @@
-{% if bootstrap_distribution == "k3s" and system_upgrade_controller.enabled | default(false) %}
+<% if bootstrap_distribution == "k3s" and system_upgrade_controller.enabled | default(false) %>
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
@@ -12,4 +12,4 @@ subjects:
   - kind: ServiceAccount
     name: system-upgrade
     namespace: tools
-{% endif %}
+<% endif %>