fix: sudo 명령어 절대 경로로 수정

.github/workflows/deploy.yml

@@ -34,8 +34,8 @@ jobs:
         run: |
           ssh -o StrictHostKeyChecking=no -p $PORT $USER@$HOST << 'EOF'
             cd ~/robeing-nginx
-            sudo cp server-nginx-default /etc/nginx/sites-available/default
-            sudo nginx -t
-            sudo systemctl reload nginx
+            sudo /bin/cp server-nginx-default /etc/nginx/sites-available/default
+            sudo /usr/sbin/nginx -t
+            sudo /bin/systemctl reload nginx
             docker compose down || true
           EOF