Fix registry auth: use REGISTRY_TOKEN secret instead of gitea.token

.gitea/workflows/ci.yaml

@@ -72,7 +72,7 @@ jobs:
             fi
           done
           if [ "$HAS_IMAGES" = "true" ]; then
-            echo "${{ gitea.token }}" | docker login gitea.coreworlds.io -u ${{ gitea.actor }} --password-stdin
+            echo "${{ secrets.REGISTRY_TOKEN }}" | docker login gitea.coreworlds.io -u lazorgurl --password-stdin
             for app in web api harness; do
               if echo "$CHANGED" | grep -qE "^(apps/${app}/|packages/)"; then
                 docker push gitea.coreworlds.io/lazorgurl/homelab-${app}:${{ gitea.sha }}