Test

Update and document GPU buffer handling #2772

Job	Run time
os=ubuntu-latest, py=3.11, np=1.25, deps=minimal	5m 58s
os=ubuntu-latest, py=3.11, np=1.25, deps=optional	5m 54s
os=ubuntu-latest, py=3.11, np=2.1, deps=minimal	6m 6s
os=ubuntu-latest, py=3.11, np=2.1, deps=optional	5m 48s
os=ubuntu-latest, py=3.12, np=1.25, deps=minimal	6m 41s
os=ubuntu-latest, py=3.12, np=1.25, deps=optional	6m 38s
os=ubuntu-latest, py=3.12, np=2.1, deps=minimal	6m 36s
doctests	1m 10s
os=ubuntu-latest, py=3.12, np=2.1, deps=optional	6m 34s
os=ubuntu-latest, py=3.13, np=1.25, deps=minimal	9m 29s
os=ubuntu-latest, py=3.13, np=1.25, deps=optional	9m 30s
os=ubuntu-latest, py=3.13, np=2.1, deps=minimal	6m 43s
py=3.11-min_deps	3m 58s
os=ubuntu-latest, py=3.13, np=2.1, deps=optional	6m 35s
py=3.13-upstream	5m 53s
os=macos-latest, py=3.11, np=1.25, deps=optional	4m 38s
os=macos-latest, py=3.13, np=2.1, deps=optional	3m 27s
os=windows-latest, py=3.11, np=1.25, deps=optional	11m 17s
os=windows-latest, py=3.13, np=2.1, deps=optional	10m 36s
Test complete	1s
	2h 3m 32s

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