• commandline build utility: Commandlinebuild.Build()
• read android keystore passwords from MacOS keychain (set them with utils/set_android_passwords.sh)
• set iOS versioning system to apple-generic so fastlane can change the build number
• set iOS ITSAppUsesNonExemptEncryption on build
• Override values in Info.plist by creating a plist file at Assets/Build/iOS/Info.plist with the overridden values
• Integrates with fastlane: https://github.com/Playables/net.playables.buildtools-fastlane

Download and copy to your_project/Packages/net.playables.buildtools or use this repository directly in manifest.json

{
  "dependencies": {
    "net.playables.buildtools": "https://github.com/playables/net.playables.buildtools.git"
  }
}

• Copy keystore to ~/.androidkey/<filename>.keystore (or any other location, preferrably outside your project)
• Set keystore in Unity player settings.
• Add android keystore passwords to keychain (set_android_passwords.sh)