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Update Gradle to v9.8.2 #330

Job	Run time
Build scip-java CLI	4m 32s
maven-java25-demo	1m 26s
gradle-java21-readiness	1m 31s
maven-java17-spring-boot	2m 52s
gradle-kotlin-kotlinpoet	3m 0s
gradle-kotlin-kotlinconf-app	6m 9s
gradle-mixed-kotlinpoet	3m 50s
maven-kotlin-json-kotlin-maven	2m 30s
bazel-java-examples	2m 32s
Repository indexing pass	3s
	28m 25s