Update proposal link to point to archive

Original link says
```
Design proposals have been archived.

To view the last version of this document, see the Design Proposals Archive Repo.

Please remove after 2022-04-01 or the release of Kubernetes 1.24, whichever comes first.
```

Author: voelzmo

content/en/docs/tasks/administer-cluster/reserve-compute-resources.md

@@ -91,7 +91,7 @@ flag.
 It is recommended that the kubernetes system daemons are placed under a top
 level control group (`runtime.slice` on systemd machines for example). Each
 system daemon should ideally run within its own child control group. Refer to
-[the design proposal](https://git.k8s.io/community/contributors/design-proposals/node/node-allocatable.md#recommended-cgroups-setup)
+[the design proposal](https://git.k8s.io/design-proposals-archive/node/node-allocatable.md#recommended-cgroups-setup)
 for more details on recommended control group hierarchy.
 
 Note that Kubelet **does not** create `--kube-reserved-cgroup` if it doesn't