fix(pyroscope): fix ingressroute subdomain

Author: crutonjohn

clusters/apps/env/production/observability/pyroscope/ks.yaml

@@ -26,6 +26,7 @@ spec:
   postBuild:
     substitute:
       APP: *app
+      INGRESSROUTE_SUBDOMAIN: pyro
     substituteFrom:
       - kind: Secret
         name: secrets-${CLUSTER_NAME}