[rolling] Update maintainers - 2022-11-07

[audrow]

This PR updates the maintainers and code owners. The new maintainers are:

• Audrow Nash (@audrow)
• Geoffrey Biggs (@gbiggs)

This PR was made with https://github.com/audrow/update-ros2-repos.

[clalancette]

@ros-pull-request-builder retest this please