WIP: Initial macOS CI, start with swift testing #627

Job	Run time
Java tests (swift:6.1.2 jdk:Corretto os:jammy)	7m 43s
Swift tests (swift:6.1.2 jdk:Corretto os:jammy)	4m 45s
Swift tests (macOS Sequoia ARM64)	1m 40s
Verify Sample JavaDependencySampleApp (swift:6.1.2 jdk:Corretto os:jammy)	4m 20s
Verify Sample JavaSieve (swift:6.1.2 jdk:Corretto os:jammy)	1m 7s
Verify Sample JavaProbablyPrime (swift:6.1.2 jdk:Corretto os:jammy)	3m 41s
Verify Sample SwiftAndJavaJarSampleLib (swift:6.1.2 jdk:Corretto os:jammy)	4m 7s
Verify Sample SwiftKitSampleApp (swift:6.1.2 jdk:Corretto os:jammy)	3m 52s
Verify Sample JavaKitSampleApp (swift:6.1.2 jdk:Corretto os:jammy)	3m 42s
soundness / API breakage check	0s
soundness / Format check	0s
soundness / Unacceptable language check	4s
soundness / Broken symlinks check	3s
soundness / Shell check	31s
soundness / YAML lint check	4s
soundness / License headers check	6s
soundness / Documentation check	38s
soundness / Python lint check	5s
	36m 28s

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