fix: skip superset/trino ingress when hostname is empty (fixes Kargo beta promotion)

infra/helm/stonks-oracle/templates/ingress.yaml

@@ -49,6 +49,7 @@ spec:
                 name: symbol-registry
                 port:
                   number: 8000
+{{- if .Values.ingress.hosts.superset }}
 ---
 apiVersion: networking.k8s.io/v1
 kind: Ingress
@@ -74,6 +75,8 @@ spec:
                 name: superset
                 port:
                   number: 8088
+{{- end }}
+{{- if .Values.ingress.hosts.trino }}
 ---
 apiVersion: networking.k8s.io/v1
 kind: Ingress
@@ -99,6 +102,7 @@ spec:
                 name: trino
                 port:
                   number: 8080
+{{- end }}
 ---
 apiVersion: networking.k8s.io/v1
 kind: Ingress