Don't cancel CI jobs on main
Currently, if two commits are pushed to main quickly, some actions are canceled in the first commit, leading to a red cross. I think we want to be have the full CI on every push to main, so we should ensure the actions are not canceled in that case.

<img width="774" alt="Capture d’écran 2023-03-14 à 16 43 42" src="https://user-images.githubusercontent.com/1676121/225057195-ed86230f-a306-47a5-8208-5f7f3414f46e.png">

Don't cancel CI jobs on main: Currently, if two commits are pushed to main quickly, some actions are canceled in the first commit, leading to a red cross. I think we want to be have the full CI on every push to main, so we should ensure the actions are not canceled in that case.

<img width="774" alt="Capture d’écran 2023-03-14 à 16 43 42" src="https://user-images.githubusercontent.com/1676121/225057195-ed86230f-a306-47a5-8208-5f7f3414f46e.png">
