update Cloudflare dashboard token as optional (#1417)

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

bootstrap/templates/kubernetes/apps/network/cloudflared/app/secret.sops.yaml.j2

@@ -5,7 +5,9 @@ metadata:
   name: cloudflared-secret
 stringData:
   TUNNEL_ID: "#{ bootstrap_cloudflare.tunnel.id }#"
+  #% if bootstrap_cloudflare.tunnel.token %#
   TUNNEL_TOKEN: "#{ bootstrap_cloudflare.tunnel.token }#"
+  #% endif %#
   credentials.json: |
     {
       "AccountTag": "#{ bootstrap_cloudflare.tunnel.account_id }#",