Fix SceneKit CI #3332

Job	Run time
Check formatting	12s
Check MSRV	58s
Lint macOS x86_64	3m 43s
Lint iOS ARMv7s	3m 39s
Lint visionOS Aarch64 simulator	3m 36s
Lint GNUStep + exceptions	1m 20s
Lint header-translator	31s
Lint test-assembly	25s
Test macOS 15 Aarch64	1m 33s
Assembly tests	48s
Test Compiler-RT	46s
Verify header translator output	2m 5s
Check framework features	0s
Test GNUStep with libobjc2 v1.9	1m 13s
Compiler UI	42s
Test GNUStep with libobjc2 v2.0	1m 22s
Test on iOS simulator w. dinghy	0s
Test GNUStep with libobjc2 v2.1 on nightly	1m 51s
${{ ((matrix.test && 'Test') \|\| 'Build') }} ${{ matrix.name }}	0s
Test GNUStep 32bit	1m 27s
	26m 11s

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