bump mros2 to v0.4.0

[takasehideki]

The time is coming!! mros2 is going to v0.4.0.

@s-hosoai please check the following all env/app. Humble is better for the host.

• board
  • NUCLEO_F767ZI
  • NUCLEO_H743ZI2
• app (all)
  • echoback_string
  • echoreply_string
  • pub_float32
  • pub_twist
  • sub_pose
  • sub_uint16
  • mturtle_teleop
  • mturtle_teleop_joy

[s-hosoai]

• board
  • NUCLEO_F767ZI
  • NUCLEO_H743ZI2
• app (all)
  • echoback_string
  • echoreply_string
  • pub_float32
  • pub_twist
  • sub_pose
  • sub_uint16
  • mturtle_teleop
  • mturtle_teleop_joy
• ROS
  • foxy
  • humble (on docker, cuiのみ)

の全組合せを確認し、問題ありませんでした。 ただし、docker humbleではGUIが扱えなかったためmturtle_teleop, mturtle_teleop_joyは試せていません。