Macos signing

[roblabla]

Signs and notarize the macOS builds. You'll need to add the following six secrets for it to work:

• MACOS_CODESIGN_CRT: A base64-encoded p12 file containing the certificate and its associated pkey.
• MACOS_CODESIGN_CRT_PWD: The password used to decrypt the MACOS_CODESIGN_CRT
• MACOS_CODESIGN_CRT_IDENTITY: The name of the identity inside the cert (you can find it by using security find-identity -v -p codesigning
• MACOS_APPLE_USERNAME: The username of your apple developer account
• MACOS_APPLE_PASSWORD: An app-specific password to conenct to the developer account. You can create an app-specific pwd here
• MACOS_APPLE_TEAMID: The ID of your apple developer membership. You can find it here

[Arignir]

I'm merging this rn even though I don't have an Apple Developper account yet. Hopefully I'll be able to buy one soon!