Fix links to PodOverhead Feature Design (language/es)

Author: arrase

content/es/docs/concepts/configuration/pod-overhead.md

@@ -38,4 +38,4 @@ Para obtener más detalles vea la [documentación sobre autorización](/docs/ref
 <!-- whatsnext -->
 
 * [RuntimeClass](/docs/concepts/containers/runtime-class/)
-* [PodOverhead Design](https://github.com/kubernetes/enhancements/blob/master/keps/sig-node/20190226-pod-overhead.md)
+* [PodOverhead Design](https://github.com/kubernetes/enhancements/tree/master/keps/sig-node/688-pod-overhead)

content/es/docs/concepts/containers/runtime-class.md

@@ -202,4 +202,4 @@ cuentan en Kubernetes.
 - [Diseño de RuntimeClass](https://github.com/kubernetes/enhancements/blob/master/keps/sig-node/585-runtime-class/README.md)
 - [Diseño de programación de RuntimeClass](https://github.com/kubernetes/enhancements/blob/master/keps/sig-node/585-runtime-class/README.md#runtimeclass-scheduling)
 - Leer sobre el concepto de [Pod Overhead](/docs/concepts/scheduling-eviction/pod-overhead/)
-- [Diseño de capacidad de PodOverhead](https://github.com/kubernetes/enhancements/blob/master/keps/sig-node/20190226-pod-overhead.md)
+- [Diseño de capacidad de PodOverhead](https://github.com/kubernetes/enhancements/tree/master/keps/sig-node/688-pod-overhead)