Tests

Specialize pyarray_offset to be more amenable to constprop #1063

Job	Run time
Test Julia (1.10, windows-latest, @CondaPkg)	8m 3s
Test Julia (1, ubuntu-latest, @CondaPkg)	4m 49s
Test Python (3.10, windows-latest, @JuliaPkg)	3m 7s
Test Julia (1, macos-latest, @CondaPkg)	9m 28s
Test Julia (1.10, ubuntu-latest, @CondaPkg)	2m 59s
Test Python (3.13, ubuntu-latest, julia)	1m 33s
Test Python (3.13, ubuntu-latest, @JuliaPkg)	1m 35s
Test Julia (1, windows-latest, @CondaPkg)	7m 45s
Test Julia (1, ubuntu-latest, python)	4m 22s
Test Julia (1.10, macos-latest, @CondaPkg)	5m 20s
Test Python (3.10, ubuntu-latest, @JuliaPkg)	1m 33s
Test Python (3.10, macos-latest, @JuliaPkg)	2m 6s
Test Python (3.13, macos-latest, @JuliaPkg)	1m 39s
Test Python (3.13, windows-latest, @JuliaPkg)	3m 15s
	57m 34s

Provide feedback