Use MultiThreadedExecutor in team communication

[timonegk]

Proposed changes

The team communication is currently not working in simulation because it is stuck waiting for the /clock topic. These changes start spinning before using sleep_for and use the MultiThreadedExecutor instead of the default executor to avoid problems with blocking subscribers.

Necessary checks

• [ ] Update package version
• [x] Run colcon build
• [ ] Write documentation
• [ ] Create issues for future work
• [x] Test on your machine
• [ ] Test on the robot
• [x] Put the PR on our Project board