Enable macOS checks #94

Job	Run time
Test / Linux (6.2 - jammy - x86_64)	2m 39s
Test / Linux (nightly-6.3 - jammy - x86_64)	3m 22s
Test / Linux (nightly-main - jammy - x86_64)	3m 40s
Validate Format Config	16s
Soundness / Format check	41s
Soundness / License headers check	6s
Soundness / Unacceptable language check	6s
Soundness / YAML lint check	5s
Soundness / Shell check	22s
Soundness / Broken symlinks check	5s
Test / macOS (Xcode 26.1 - sequoia - ARM64)	1m 44s
Soundness / Python lint check	8s
Soundness / API breakage check	-1s
Soundness / Documentation check	-1s
Soundness / Documentation check (macOS)	-1s
	13m 11s

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