ci: simplistic way to get macOS running #646

Job	Run time
Test (Java) (jammy swift:6.1.2 jdk:corretto)	1m 56s
Test (Java) (macos swift:6.1.2 jdk:corretto)	4m 39s
Test (Swift) (jammy swift:6.1.2 jdk:corretto)	4m 31s
Sample JavaKitSampleApp (macos swift:6.1.2 jdk:corretto)	2m 19s
Sample JavaDependencySampleApp (jammy swift:6.1.2 jdk:corretto)	5m 41s
Sample JavaDependencySampleApp (macos swift:6.1.2 jdk:corretto)	2m 45s
Sample JavaSieve (macos swift:6.1.2 jdk:corretto)	37s
Sample JavaSieve (jammy swift:6.1.2 jdk:corretto)	42s
Sample JavaProbablyPrime (macos swift:6.1.2 jdk:corretto)	2m 14s
Sample JavaProbablyPrime (jammy swift:6.1.2 jdk:corretto)	3m 42s
Sample SwiftKitSampleApp (macos swift:6.1.2 jdk:corretto)	2m 42s
Sample SwiftAndJavaJarSampleLib (jammy swift:6.1.2 jdk:corretto)	1m 59s
Sample JavaKitSampleApp (jammy swift:6.1.2 jdk:corretto)	3m 20s
Sample SwiftAndJavaJarSampleLib (macos swift:6.1.2 jdk:corretto)	2m 55s
Sample SwiftKitSampleApp (jammy swift:6.1.2 jdk:corretto)	2m 3s
soundness / Documentation check	40s
soundness / API breakage check	0s
soundness / Broken symlinks check	3s
soundness / Shell check	35s
Test (Swift) (macos swift:6.1.2 jdk:corretto)	2m 25s
soundness / License headers check	7s
soundness / Python lint check	6s
soundness / Unacceptable language check	4s
soundness / YAML lint check	6s
soundness / Format check	0s
	46m 11s

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