fix/remove-gleam-dockerfile-refs (#204)

Reviewed-on: graham/towerops-web#204

.forgejo/workflows/production.yaml

@@ -109,11 +109,8 @@ jobs:
       - name: Set up Docker Buildx
         uses: https://github.com/docker/setup-buildx-action@v3
         with:
-          driver: docker-container
-          driver-opts: |
-            image=moby/buildkit:latest
+          driver: docker
           install: true
-          cleanup: true
 
       - name: Log in to Container Registry
         uses: https://github.com/docker/login-action@v3