[JExtract/JNI] Add support for classes/structs as parameters and return values #738

Job	Run time
Test (Java) (jammy swift:6.1.2 jdk:corretto)	2m 51s
Test (Swift) (macos swift:6.1.2 jdk:corretto)	5m 28s
Benchmark (JMH) (jammy swift:6.1.2 jdk:corretto)	7m 13s
Sample JavaSieve (macos swift:6.1.2 jdk:corretto)	3m 41s
Sample JExtractJNISampleApp (jammy swift:6.1.2 jdk:corretto)	5m 35s
Sample JavaProbablyPrime (jammy swift:6.1.2 jdk:corretto)	4m 44s
Sample JavaProbablyPrime (macos swift:6.1.2 jdk:corretto)	5m 32s
Sample SwiftKitSampleApp (macos swift:6.1.2 jdk:corretto)	5m 47s
Sample JavaKitSampleApp (macos swift:6.1.2 jdk:corretto)	5m 41s
Sample JavaDependencySampleApp (macos swift:6.1.2 jdk:corretto)	7m 13s
Sample SwiftAndJavaJarSampleLib (macos swift:6.1.2 jdk:corretto)	5m 33s
Test (Java) (macos swift:6.1.2 jdk:corretto)	3m 27s
Sample JavaSieve (jammy swift:6.1.2 jdk:corretto)	2m 2s
Sample SwiftKitSampleApp (jammy swift:6.1.2 jdk:corretto)	5m 40s
Sample SwiftAndJavaJarSampleLib (jammy swift:6.1.2 jdk:corretto)	4m 42s
Test (Swift) (jammy swift:6.1.2 jdk:corretto)	5m 52s
Sample JavaDependencySampleApp (jammy swift:6.1.2 jdk:corretto)	5m 21s
Sample JavaKitSampleApp (jammy swift:6.1.2 jdk:corretto)	4m 57s
Sample JExtractJNISampleApp (macos swift:6.1.2 jdk:corretto)	6m 45s
soundness / Documentation check	35s
soundness / Shell check	32s
soundness / Python lint check	8s
soundness / Unacceptable language check	6s
soundness / YAML lint check	6s
soundness / Broken symlinks check	6s
soundness / License headers check	5s
soundness / API breakage check	0s
soundness / Format check	0s
	1h 39m 42s

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