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

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

bootstrap/templates/kubernetes/apps/flux-system/weave-gitops/app/secret.sops.yaml.j2

@@ -1,4 +1,4 @@
-{% if weave_gitops.enabled | default(false) %}
+<% if weave_gitops.enabled | default(false) %>
 ---
 apiVersion: v1
 kind: Secret
@@ -7,5 +7,5 @@ metadata:
 type: Opaque
 stringData:
   username: admin
-  password: "{{ weave_gitops.password | encrypt }}"
-{% endif %}
+  password: "<< weave_gitops.password | encrypt >>"
+<% endif %>