ᐅ Transition from House Wall to Ground/Pathway

Hello
I have a question for the experts.
There are gaps that have formed all around our exterior wall, between the wall and the ground/pathway.
My question is, what is the best way to seal these gaps? Or do I even need to seal them, or is it safe to leave them as they are?

Can anyone give me some advice?
Attached are photos for a better impression.

Thank you very much
Lukas