jax

b73bf1a0 - Update JAX continuous workflow to run once every 3 hours instead of 2.

Update JAX continuous workflow to run once every 3 hours instead of 2. We are seeing a higher number of cancellations of the continuous job recently: ``` Canceling since a higher priority waiting request for CI - Wheel Tests (Continuous)-refs/heads/main exists ``` PiperOrigin-RevId: 746222323