Support doc comments in header-translator #3244

Job	Run time
Check MSRV	59s
Check formatting	18s
Lint macOS x86_64	3m 25s
Lint iOS ARMv7s	3m 26s
Lint visionOS Aarch64 simulator	3m 19s
Lint GNUStep + exceptions	1m 25s
Lint header-translator	34s
Lint test-assembly	29s
Test macOS 15 Aarch64	1m 21s
Verify header translator output	0s
Check framework features	0s
${{ ((matrix.test && 'Test') \|\| 'Build') }} ${{ matrix.name }}	0s
Assembly tests	0s
${{ matrix.name }}	0s
Test on iOS simulator w. dinghy	0s
Compiler UI	0s
Test Compiler-RT	0s
	15m 16s

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