Rename deploy runner label to cube-host

.gitea/workflows/ci.yml

@@ -31,13 +31,13 @@ jobs:
         run: find public/js -name "*.js" -print0 | xargs -0 -n1 node --check
 
   # Handled by a separate, native (non-Docker) runner registered with the
-  # single "deploy:host" label (see docs/deployment.adoc) — it runs directly
+  # single "cube-host" label (see docs/deployment.adoc) — it runs directly
   # on the server, so it has docker/git/etc. from the host, no socket/bind
   # mount tricks needed. The Docker-based runner keeps handling `check`.
   deploy:
     needs: check
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
-    runs-on: deploy
+    runs-on: cube-host
     steps:
       # Not actions/checkout@v4: keeping this plain-git checkout from when
       # the job ran in a Node-less container — no reason to add a Node