[SwiftKit] Move 'selfPointer' to 'JNISwiftInstance' & downcall trace logs #726

Job	Run time
Test (Java) (jammy swift:6.1.2 jdk:corretto)	2m 41s
Test (Java) (macos swift:6.1.2 jdk:corretto)	1m 47s
Test (Swift) (jammy swift:6.1.2 jdk:corretto)	5m 57s
Test (Swift) (macos swift:6.1.2 jdk:corretto)	3m 8s
Benchmark (JMH) (jammy swift:6.1.2 jdk:corretto)	4m 47s
Sample JavaKitSampleApp (macos swift:6.1.2 jdk:corretto)	4m 3s
Sample JavaProbablyPrime (macos swift:6.1.2 jdk:corretto)	4m 17s
Sample JavaSieve (macos swift:6.1.2 jdk:corretto)	2m 36s
Sample SwiftAndJavaJarSampleLib (macos swift:6.1.2 jdk:corretto)	2m 46s
Sample JavaDependencySampleApp (jammy swift:6.1.2 jdk:corretto)	6m 54s
Sample JavaProbablyPrime (jammy swift:6.1.2 jdk:corretto)	4m 42s
Sample JExtractJNISampleApp (macos swift:6.1.2 jdk:corretto)	4m 44s
Sample JavaKitSampleApp (jammy swift:6.1.2 jdk:corretto)	4m 37s
Sample JExtractJNISampleApp (jammy swift:6.1.2 jdk:corretto)	5m 29s
Sample SwiftKitSampleApp (macos swift:6.1.2 jdk:corretto)	2m 57s
Sample JavaSieve (jammy swift:6.1.2 jdk:corretto)	2m 14s
Sample JavaDependencySampleApp (macos swift:6.1.2 jdk:corretto)	5m 41s
Sample SwiftAndJavaJarSampleLib (jammy swift:6.1.2 jdk:corretto)	2m 11s
Sample SwiftKitSampleApp (jammy swift:6.1.2 jdk:corretto)	2m 7s
soundness / Documentation check	36s
soundness / License headers check	7s
soundness / Unacceptable language check	7s
soundness / YAML lint check	4s
soundness / Python lint check	6s
soundness / Broken symlinks check	3s
soundness / Format check	0s
soundness / Shell check	37s
soundness / API breakage check	0s
	1h 15m 18s

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