scip-kotlinc Kotlin update, fixes and improvements #143

Job	Run time
Build scip-java CLI	4m 18s
maven-java17-spring-boot	2m 44s
gradle-kotlin-flowext	3m 26s
maven-kotlin-json-kotlin-maven	2m 31s
maven-java25-demo	2m 30s
gradle-java21-readiness	2m 41s
bazel-java-examples	1m 34s
gradle-kotlin-okio	3m 15s
gradle-mixed-okio-jmh	3m 12s
	26m 11s

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