fix(kubernetes-templating): IPv6 support for Flux managed Cilium and … (#857)

Co-authored-by: Devin Buhl <onedr0p@users.noreply.github.com>

bootstrap/templates/kubernetes/apps/kube-system/cilium/app/kustomization.yaml.j2

@@ -1,7 +1,10 @@
+#jinja2: trim_blocks: True, lstrip_blocks: True
 ---
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 namespace: kube-system
 resources:
+  {% if not bootstrap_ipv6_enabled | default(false) %}
   - ./cilium-l2.yaml
+  {% endif %}
   - ./helmrelease.yaml