Tests

Fix dimensions in rand-ket tests #23

Job	Run time
Verify Towncrier entry added	8s
ubuntu-latest, python3.11, defaults	30m 1s
ubuntu-latest, python3.13, p313 numpy 2	23m 19s
ubuntu-latest, python3.10, p310 numpy 1.22	22m 47s
ubuntu-latest, python3.12, p312, numpy fallback	30m 45s
ubuntu-latest, python3.10, p310 no mkl	22m 17s
macos-latest, python3.13, macos	15m 51s
macos-13, python3.11, macos - numpy fallback	28m 3s
windows-latest, python3.13, Windows	34m 12s
windows-latest, python3.10, Windows - numpy fallback	33m 37s
Finalise coverage reporting	13s
	4h 1m 13s

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