Update entrypoint.sh

entrypoint.sh

@@ -15,7 +15,7 @@ export PORT="${PORT:-7860}"
 if [ -d "/root/opentrons/robot-server" ]; then
   echo "[entrypoint] starting robot-server..."
   # dev が foreground で張り付く想定なのでバックグラウンドに回す
-  (cd /root/opentrons && make -C robot-server dev) &
+  (cd /root/opentrons && make -C robot-server dev-flex) &
   ROBOT_SERVER_PID=$!
   echo "[entrypoint] robot-server pid=${ROBOT_SERVER_PID}"
 fi