fix: do git checkout before pull for demo push action

Author: luandro

.github/workflows/demo-push-main.yml

@@ -25,6 +25,7 @@ jobs:
           port: ${{ secrets.SSH_PORT }}
           script: |
             cd /srv/edt-offline
+            git checkout .
             git pull origin main
             docker compose -f docker/demo/docker-compose.yml down
             docker compose -f docker/demo/docker-compose.yml up -d --build