Add the ability to choose the rosbags backend to be used during recording

[Samahu]

Is your feature request related to a problem? Please describe.
When using the record method the user has to use the default storage backend of the record launch file

Describe the solution you'd like
Expose an option through the record.launch.xml that allows users to work with a specific storage.

ros2 launch ouster_ros record.launch.xml storage:=mcap

In the bag file add

<node run="ros2 bag record --storage $(var storage)"/>

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Targeted Platform (please complete the following information only if applicable, otherwise dot N/A):

• Ouster Sensor? ANY
• Ouster Firmware Version? ANY
• ROS version/distro? \Only ROS2
• Operating System? ANY
• Machine Architecture? ANY