Improve release-cli debuggability, drop Windows launcher #136

Job	Run time
Build scip-java CLI	4m 7s
maven-java25-demo	1m 38s
maven-kotlin-json-kotlin-maven	2m 11s
gradle-kotlin-okio	3m 59s
gradle-mixed-okio-jmh	4m 30s
gradle-java21-readiness	3m 0s
maven-java17-spring-boot	2m 40s
gradle-kotlin-flowext	3m 13s
bazel-java-examples	2m 5s
	27m 23s

Provide feedback