XCode shows "unidentified developer" alert at each app launch

Since I updated to XCode 15, I got an annoying "app comes from an unidentified developper, do you confirm you want to open" alert (note: approximate translation).

I can still open and debug my app by clicking the "open" button, but that's a pain...

I have the "sign to run locally" build setting. And I run the debug target.

Any way to solve this or is it just a new XCode bug ?

XCode shows "unidentified developer" alert at each app launch
 
 
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