Update submodule sitl_gazebo to latest Wed Nov 9 00:39:01 UTC 2022

    - sitl_gazebo in PX4/Firmware (0e2b1ee): PX4/PX4-SITL_gazebo-classic@56b5508
    - sitl_gazebo current upstream: PX4/PX4-SITL_gazebo-classic@b38e701
    - Changes: PX4/PX4-SITL_gazebo-classic@56b5508...b38e701

    b38e701 2022-11-03 frederictaillandier - adding jinja parameters
cc8f33d 2022-11-03 frederictaillandier - allowing to override the streaming gimbal ip and port
6c3f1f8 2022-11-03 alessandro - send orientation q with landing_target message (#919)
48e764b 2022-11-02 Frederic Taillandier - allowing to override the video stream ip in a simpler way than using the jinja file (#923)