Nitin Srinivasan 34a2f0ca4a Add a jaxlib at head build to the cloud-tpu-ci-nightly workflow
This will allow us to test TPU compatibility with jaxlib at head. Also, enable v4 runners as they are now online.

PiperOrigin-RevId: 699155667
2024-11-22 06:45:36 -08:00
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2021-08-19 20:21:16 +02:00