Fix Maven publish plugin classloading #71

Job	Run time
Build scip-java CLI	4m 10s
gradle-kotlin-okio	4m 28s
maven-kotlin-json-kotlin-maven	3m 10s
maven-java17-spring-boot	1m 34s
gradle-java21-readiness	2m 26s
gradle-kotlin-flowext	4m 6s
gradle-mixed-okio-jmh	3m 45s
maven-java25-demo	2m 29s
bazel-java-examples	2m 36s
	28m 44s

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