Fix service name in federation labels for Dendrite

roles/custom/matrix-dendrite/templates/labels.j2

@@ -129,7 +129,7 @@ traefik.http.routers.matrix-dendrite-federation-api.rule={{ matrix_dendrite_cont
 traefik.http.routers.matrix-dendrite-federation-api.priority={{ matrix_dendrite_container_labels_federation_api_traefik_priority }}
 {% endif %}
 
-traefik.http.routers.matrix-dendrite-federation-api.service=matrix-dendrite-federation-api
+traefik.http.routers.matrix-dendrite-federation-api.service=matrix-dendrite
 traefik.http.routers.matrix-dendrite-federation-api.entrypoints={{ matrix_dendrite_container_labels_federation_api_traefik_entrypoints }}
 traefik.http.routers.matrix-dendrite-federation-api.tls={{ matrix_dendrite_container_labels_federation_api_traefik_tls | to_json }}