build broken on armhf platform

https://github.com/coder/images/actions/runs/20906443305/job/60060710852#step:6:1380

```
  #28 34.69 2026-01-12 02:45:06 - Error: Unsupported architecture: armhf. Only amd64, arm64 are supported. Contact Nodesource for an extended support version https://nodesource.com/pages/contact-us.html. (Exit Code: 1)

```