Add Mac Catalyst support #31

Job	Run time
Swift 6 Language Mode	0s
Soundness / API breakage check	53s
Soundness / Documentation check	59s
Soundness / Broken symlinks check	2s
Soundness / Format check	39s
Soundness / License headers check	5s
Soundness / Shell check	35s
Soundness / Unacceptable language check	4s
Soundness / YAML lint check	3s
Soundness / Python lint check	5s
Integration test / Linux (5.9)	1m 29s
Integration test / Linux (5.10)	1m 39s
Integration test / Linux (6.0)	1m 48s
Integration test / Linux (nightly-6.0)	2m 7s
Integration test / Linux (nightly-main)	32s
Unit tests / Unit tests / Linux (5.9)	47s
Unit tests / Unit tests / Linux (5.10)	54s
Unit tests / Unit tests / Linux (6.0)	59s
Unit tests / Unit tests / Linux (nightly-6.0)	1m 12s
Unit tests / Unit tests / Linux (nightly-main)	31s
	15m 23s

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