chore: downgrade runners.

Author: l-monninger

.github/workflows/nix-command.yml

@@ -19,7 +19,7 @@ on:
 
 jobs:
   run-command:
-    runs-on: buildjet-32vcpu-ubuntu-2204
+    runs-on: buildjet-16vcpu-ubuntu-2204
     steps:
       - name: Free Disk Space (Ubuntu)
         uses: jlumbroso/free-disk-space@main