fix(ci): use external harbor.wace.me instead of localhost:5001

Runner does not expose a local pull-through proxy on :5001, so
docker login was failing with connection refused. Use the public
harbor domain directly — verified working on Edge server.

.gitea/workflows/deploy.yml

@@ -30,7 +30,7 @@ on:
 
 env:
   GITEA_DOMAIN: g.wace.me
-  HARBOR_REGISTRY: localhost:5001
+  HARBOR_REGISTRY: harbor.wace.me
   HARBOR_REGISTRY_EXTERNAL: harbor.wace.me
   HARBOR_PROJECT: speefox_vexplor