Add the DiskArbitration framework #3321

Job	Run time
Check formatting	24s
Lint macOS x86_64	3m 36s
Check MSRV	58s
Lint iOS ARMv7s	3m 32s
Lint visionOS Aarch64 simulator	3m 25s
Lint GNUStep + exceptions	1m 30s
Lint header-translator	34s
Lint test-assembly	28s
Test macOS 15 Aarch64	1m 26s
Verify header translator output	1m 54s
Check framework features	0s
Assembly tests	56s
Compiler UI	45s
Test Compiler-RT	36s
Test GNUStep with libobjc2 v1.9	1m 26s
${{ ((matrix.test && 'Test') \|\| 'Build') }} ${{ matrix.name }}	0s
Test GNUStep with libobjc2 v2.0	1m 11s
Test GNUStep with libobjc2 v2.1 on nightly	1m 41s
Test on iOS simulator w. dinghy	0s
Test GNUStep 32bit	1m 20s
	25m 42s

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