Tests

add Hungarian solver from optax #2247

Job	Run time
Fast GPU tests Python 3.10 on ubuntu-22.04	37m 44s
Fast tests Python 3.10 jax-default	10m 4s
Python 3.10 on ubuntu-latest	1h 17m 50s
Fast tests Python 3.10 jax-latest	10m 43s
Python 3.11 on ubuntu-latest	1h 16m 9s
Python 3.12 on ubuntu-latest	1h 27m 56s
Python 3.13 on ubuntu-latest	55s
Python 3.9 on macos-13	1m 14s
Python 3.10 on macos-14	1h 5m 3s
	6h 7m 38s

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