There are several cases of people "getting stuck `waiting for any device`" and apart from possible cable or USB port issues, it could be the versions of `adb` and `fastboot`? One user reported that this tool to ensure the two tools are updated worked for them: after using it the installer completed successfully: https://community.iode.tech/t/pixel-6a-stuck-during-auto-installer-wait-for-device/7777/2