Rename traefik_domain var to cluster_domain

templates/gitea/gitea-IngressRoute.yml.j2

@@ -17,7 +17,7 @@ spec:
   # Match is the rule corresponding to an underlying router.
   # Later on, match could be the simple form of a path prefix, e.g. just "/bar",
   # but for now we only support a traefik style matching rule.
-  - match: Host(`gitea.{{ traefik_domain }}`)
+  - match: Host(`gitea.{{ cluster_domain }}`)
     # kind could eventually be one of "Rule", "Path", "Host", "Method", "Header",
     # "Parameter", etc, to support simpler forms of rule matching, but for now we
     # only support "Rule".