Update notarisation on macOS

We currently get the following warning during notarisation:

2022-07-09 21:57:27.905 *** Warning: altool has been deprecated and, starting in fall 2023, will no longer be supported by the Apple notary service. You should start using notarytool to notarize your software. (-1030)
1480Waiting for notarization to complete...
14812022-07-09 21:58:00.606 *** Warning: altool has been deprecated and, starting in fall 2023, will no longer be supported by the Apple notary service. You should start using notarytool to notarize your software. (-1030)
1482

We should update to the latest tooling in order to avoid issues later on.