feat: auto failover APIs with LK Cloud #130

Job	Run time
Create release PR	0s
Tag release	0s
Build RTC sdist	0s
Publish livekit-api	0s
Build RTC docs	0s
Build Protocol	0s
Publish livekit-protocol	0s
Publish livekit (RTC)	0s
Build Protocol docs	0s
Build API docs	0s
Build API	-1s
Detect package	-5s
Build RTC wheels (${{ matrix.archs }})	-7s
	-13s

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