Add Github action workflows for running continuous tests with Pytest #2

Job	Run time
build-artifacts (linux-x86-n2-16, jax-cuda-plugin, 3.13) / Build jax-cuda-plugin (linux-x86-n2-16, Python 3.13, clone main XLA=1)	3m 56s
build-artifacts (linux-x86-n2-16, jax-cuda-pjrt, 3.10) / Build jax-cuda-pjrt (linux-x86-n2-16, Python 3.10, clone main XLA=1)	5m 5s
build-artifacts (linux-x86-n2-16, jax-cuda-pjrt, 3.13) / Build jax-cuda-pjrt (linux-x86-n2-16, Python 3.13, clone main XLA=1)	5m 5s
build-artifacts (linux-x86-n2-16, jaxlib, 3.13) / Build jaxlib (linux-x86-n2-16, Python 3.13, clone main XLA=1)	2m 37s
build-artifacts (linux-x86-n2-16, jax-cuda-plugin, 3.10) / Build jax-cuda-plugin (linux-x86-n2-16, Python 3.10, clone main XLA=1)	3m 38s
build-artifacts (linux-x86-n2-16, jaxlib, 3.10) / Build jaxlib (linux-x86-n2-16, Python 3.10, clone main XLA=1)	3m 17s
Pytest CUDA (linux-x86-g2-48-l4-4gpu, CUDA 12.3, Python 3.10, x64=1)	3m 48s
Pytest CUDA (linux-x86-g2-48-l4-4gpu, CUDA 12.3, Python 3.10, x64=0)	3m 29s
Pytest CUDA (linux-x86-g2-48-l4-4gpu, CUDA 12.3, Python 3.13, x64=1)	3m 4s
Pytest CUDA (linux-x86-g2-48-l4-4gpu, CUDA 12.3, Python 3.13, x64=0)	3m 26s
Pytest CUDA (linux-x86-g2-48-l4-4gpu, CUDA 12.1, Python 3.10, x64=1)	3m 37s
Pytest CUDA (linux-x86-g2-48-l4-4gpu, CUDA 12.1, Python 3.10, x64=0)	3m 36s
Pytest CUDA (linux-x86-g2-48-l4-4gpu, CUDA 12.1, Python 3.13, x64=1)	3m 41s
Pytest CUDA (linux-x86-g2-48-l4-4gpu, CUDA 12.1, Python 3.13, x64=0)	3m 40s
	51m 59s

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