DiagonalStudentT distribution #177

Job	Run time
lint	1m 10s
test (ubuntu-latest, 3.10, jax)	5m 52s
test (ubuntu-latest, 3.10, tensorflow)	5m 16s
test (ubuntu-latest, 3.10, torch)	3m 55s
test (ubuntu-latest, 3.11, jax)	6m 31s
test (ubuntu-latest, 3.11, tensorflow)	5m 27s
test (ubuntu-latest, 3.11, torch)	4m 4s
test (windows-latest, 3.10, jax)	12m 28s
test (windows-latest, 3.10, tensorflow)	14m 37s
test (windows-latest, 3.10, torch)	9m 33s
test (windows-latest, 3.11, jax)	10m 52s
test (windows-latest, 3.11, tensorflow)	11m 0s
test (windows-latest, 3.11, torch)	8m 37s
	1h 39m 22s

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