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

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

bootstrap/templates/kubernetes/apps/network/nginx/external/helmrelease.yaml.j2

@@ -33,7 +33,7 @@ spec:
       service:
         annotations:
           external-dns.alpha.kubernetes.io/hostname: "external.${SECRET_DOMAIN}"
-          io.cilium/lb-ipam-ips: "{{ bootstrap_external_ingress_addr }}"
+          io.cilium/lb-ipam-ips: "<< bootstrap_external_ingress_addr >>"
         externalTrafficPolicy: Cluster
       ingressClassResource:
         name: external
@@ -71,11 +71,11 @@ spec:
           namespaceSelector:
             any: true
       extraArgs:
-        {% if bootstrap_acme_production_enabled | default(false) %}
+        <% if bootstrap_acme_production_enabled | default(false) %>
         default-ssl-certificate: "network/${SECRET_DOMAIN/./-}-production-tls"
-        {% else %}
+        <% else %>
         default-ssl-certificate: "network/${SECRET_DOMAIN/./-}-staging-tls"
-        {% endif %}
+        <% endif %>
       topologySpreadConstraints:
         - maxSkew: 1
           topologyKey: kubernetes.io/hostname