Invalid config.yaml for the Arm64 and rpi version of the AI Server addon

[Aaper]

The config.yaml of the two new versions of AI Server addon seems to be invalid. I've got the following messages and the new addon is not showing up:

23-08-31 17:30:46 WARNING (SyncWorker_5) [supervisor.store.data] Can't read /data/addons/git/0a217ee8/ai.server.arm64/config.yaml: value must be one of ['aarch64', 'amd64', 'armhf', 'armv7', 'i386'] @ data['arch'][0]. Got 'arm64'
23-08-31 17:30:46 WARNING (SyncWorker_5) [supervisor.store.data] Can't read /data/addons/git/0a217ee8/ai.server.rpi64/config.yaml: value must be one of ['aarch64', 'amd64', 'armhf', 'armv7', 'i386'] @ data['arch'][0]. Got 'arm64'

Originally posted by @Aaper in #5 (comment)