I noticed some horizontal cracks above my garage door. Should I be worried about structural issues or is this common settling? Also, how urgent is it to fix? Thanks!

https://yourhomify.com/brick-damage-warning-signs-for-homeowners/

I noticed some horizontal cracks above my garage door. Should I be worried about structural issues or is this common settling? Also, how urgent is it to fix? Thanks! I've got soft, sandy mortar between my bricks