iron backport: nav2_collision_monitor: collision detector (#3500)#3757

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tonynajjar wants to merge 2 commits intoros-navigation:ironfrom logivations:iron

+1,867-96

Commits on Aug 16, 2023

nav2_collision_monitor: collision detector (ros-navigation#3500 )
Tony Najjar
committed
port changes from humble to iron
Tony Najjar
committed