Use current time in teamdata message

[timonegk]

Proposed changes

Multiple robots can have different clocks. That might lead to problems in the team communication. This pull request fixes the issue by using the current rostime of the receiving robot for the teamdata message.

Necessary checks

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